Solved Win 11 PC not showing up in list of Network devices


Redbird14

Member
Local time
7:09 PM
Posts
13
OS
Windows 11 Pro
I have 2 desktops, 1 running Windows 11, 1 running Windows 10. Both are current ( 22631.2861 for Win11...I inadvertently cut it off in my screen cap). I have the Advanced Sharing & Services.msc settings set per all instructions I can find related to this. The issue is that the Network devices folder includes the Windows 10 machine on both desktops and excludes the Windows 11 machine on both. How do I get Windows to recognize the Windows 11 machine in the devices listed in the Network devices folder? The '8940' and '8950' designators you'll see in the screen caps refer to Dell XPS 8940/50 desktops, the 8940 running Win 10, the 8950 Win 11. Both devices are set up for Wifi which I generally keep disabled and both are hardwired into my fiber modem. I did try Wifi as the connection for both machines but the results were the same.

Dell Pro Support won't handle this. I tried Microsoft twice. The first guy changed some UMB settings and instructed me to get back to them if that didn't work which it didn't. Since changing those settings required a reboot, the chat session terminated. When I got back to them, the second guy was weird and I suspect kept closing out the Quick Assist session before he could start looking around. 3 times we started up Quick Assist, 3 x it crashed as soon as he took control. The first guy had no problem with Quick Assist and those two chat sessions were at most an hour apart. That's why I'm trying here.

In advance, thanks for any troubleshooting guidance anyone may be able to provide to me.

Win11a.pngWin11b.pngWin11c1.pngWin11c2.png
 
Windows Build/Version
22631.2861/23H2

My Computer

System One

  • OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell XPS8950 'special edition'
    CPU
    12th Gen Intel Core i7-12700 2.10 GHz
    Motherboard
    Dell proprietary
    Memory
    64 GB (Crucial)
    Graphics Card(s)
    NVIDIA GeForce RTX 3060 Ti
    Sound Card
    none
    Monitor(s) Displays
    Dell G2722HS
    Screen Resolution
    1920 x 1080
    Hard Drives
    1TB Seagate ST1000DM010-2EP102, 8TB WDC WD8002FZWX-01
    PSU
    Dell proprietary 750W
    Case
    Dell proprietary 'Tower'
    Cooling
    2 air fans
    Keyboard
    Dell wired
    Mouse
    Dell optical wired
    Internet Speed
    1000 Mbps up and down (fibre to the modem)
    Browser
    Opera, Firefox, Edge & Tor
    Antivirus
    Windows Defender
Same "Workgroup" name used?
 

My Computer

System One

  • OS
    Win 7/10/11
    Computer type
    PC/Desktop
    Other Info
    I'm a computer enthusiast so have quite a few systems that I run. More like an advanced hobby.
Yes. I never set it on either PC so 'Computer Description' was blank on both and 'Workgroup:' is WORKGROUP on both. I just tried setting the Computer Description to 'Work Group' on both, rebooted them and it didn't change anything. The only difference is the 'Full Computer Name'. One is MZ8940 the other MZ8950 for the corresponding Dell model #.
 

My Computer

System One

  • OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell XPS8950 'special edition'
    CPU
    12th Gen Intel Core i7-12700 2.10 GHz
    Motherboard
    Dell proprietary
    Memory
    64 GB (Crucial)
    Graphics Card(s)
    NVIDIA GeForce RTX 3060 Ti
    Sound Card
    none
    Monitor(s) Displays
    Dell G2722HS
    Screen Resolution
    1920 x 1080
    Hard Drives
    1TB Seagate ST1000DM010-2EP102, 8TB WDC WD8002FZWX-01
    PSU
    Dell proprietary 750W
    Case
    Dell proprietary 'Tower'
    Cooling
    2 air fans
    Keyboard
    Dell wired
    Mouse
    Dell optical wired
    Internet Speed
    1000 Mbps up and down (fibre to the modem)
    Browser
    Opera, Firefox, Edge & Tor
    Antivirus
    Windows Defender
Your issue is not uncommon. We've seen it a lot here. Review the suggestions in this thread. Most of us have used a workaround by accessing by computer name. I created a shortcut to each computer on my network and pinned it to my quick access. Network in Windows Explorer not showing 1 computer
 

My Computers

System One System Two

  • OS
    Windows 11 Pro 23H2 22631.3593
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Optiplex 7080
    CPU
    i9-10900 10 core 20 threads
    Motherboard
    DELL 0J37VM
    Memory
    32 gb
    Graphics Card(s)
    none-Intel UHD Graphics 630
    Sound Card
    Integrated Realtek
    Monitor(s) Displays
    Benq 27
    Screen Resolution
    2560x1440
    Hard Drives
    1tb Solidigm m.2 +256gb ssd+512 gb usb m.2 sata
    PSU
    500w
    Case
    MT
    Cooling
    Dell Premium
    Keyboard
    Logitech wired
    Mouse
    Logitech wireless
    Internet Speed
    so slow I'm too embarrassed to tell
    Browser
    Firefox
    Antivirus
    Defender+MWB Premium
  • Operating System
    Windows 10 Pro 22H2 19045.3930
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Optiplex 9020
    CPU
    i7-4770
    Memory
    24 gb
    Monitor(s) Displays
    Benq 27
    Screen Resolution
    2560x1440
    Hard Drives
    256 gb Toshiba BG4 M.2 NVE SSB and 1 tb hdd
    PSU
    500w
    Case
    MT
    Cooling
    Dell factory
    Mouse
    Logitech wireless
    Keyboard
    Logitech wired
    Internet Speed
    still not telling
    Browser
    Firefox
    Antivirus
    Defender+MWB Premium
I don't depend upon what's in Network because it is unreliable. Instead I created a folder called My Network with shortcuts to all the computers in my home network.

MyNetwork1b.jpg

Note the shortcut to a computer is \\ + computername. For example, the shortcut to computer DarkMatter is \\DarkMatter

MyNetwork2b.jpg
 

My Computers

System One System Two

  • OS
    Windows 11 Pro 23H2
    Computer type
    Laptop
    Manufacturer/Model
    ASUS TUF Gaming A15 (2022)
    CPU
    AMD Ryzen 7 6800H with Radeon 680M GPU (486MB RAM)
    Memory
    Crucial DDR5-4800 (2400MHz) 32GB (2 x 16GB)
    Graphics Card(s)
    NVIDIA RTX 3060 Laptop (6GB RAM)
    Sound Card
    n/a
    Monitor(s) Displays
    15.6-inch
    Screen Resolution
    1920x1080 300Hz
    Hard Drives
    2 x Samsung 980 (1TB M.2 NVME SSD)
    PSU
    n/a
    Mouse
    Wireless Mouse M510
    Internet Speed
    1200Mbps/250Mbps
    Browser
    Firefox
    Antivirus
    Malwarebytes
  • Operating System
    Windows 11 Pro 23H2
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom build
    CPU
    AMD Ryzen 7 3700X
    Motherboard
    ASUS PRIME X370-PRO
    Memory
    G.SKILL Flare X 32GB (2x16GB) DDR4
    Graphics card(s)
    ASUS ROG-STRIX-RTX3060TI-08G-V2-GAMING (RTX 3060-Ti, 8GB RAM)
    Monitor(s) Displays
    Samsung S23A300B (23-in LED)
    Screen Resolution
    1080p 60Hz
    Hard Drives
    2TB XPG SX8200 Pro (M2. PCIe SSD) || 2TB Intel 660P (M2. PCIe SSD) ||
    PSU
    Corsair RM750x (750 watts)
    Case
    Cooler Master MasterCase 5
    Cooling
    Corsair H60 AIO water cooler
    Mouse
    Logitech K350 (wireless)
    Keyboard
    Logitech M510 (wireless)
    Internet Speed
    1200 Mbps down / 200 Mbps up
    Browser
    Firefox, Edge, Chrome
    Antivirus
    Malwarebytes (Premium)
    Other Info
    ASUS Blu-ray Burner BW-16D1HT (SATA) || Western Digital Elements 12TB USB 3.0 external hard drive used with Acronis True Image backup software || HP OfficeJet Pro 6975 Printer/Scanner
WOW! That works. Created a shortcut to the 8940, cloned it, changed properties and voila I can now access files on either computer from either computer. Thank-you for posting this!!!
 

My Computer

System One

  • OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell XPS8950 'special edition'
    CPU
    12th Gen Intel Core i7-12700 2.10 GHz
    Motherboard
    Dell proprietary
    Memory
    64 GB (Crucial)
    Graphics Card(s)
    NVIDIA GeForce RTX 3060 Ti
    Sound Card
    none
    Monitor(s) Displays
    Dell G2722HS
    Screen Resolution
    1920 x 1080
    Hard Drives
    1TB Seagate ST1000DM010-2EP102, 8TB WDC WD8002FZWX-01
    PSU
    Dell proprietary 750W
    Case
    Dell proprietary 'Tower'
    Cooling
    2 air fans
    Keyboard
    Dell wired
    Mouse
    Dell optical wired
    Internet Speed
    1000 Mbps up and down (fibre to the modem)
    Browser
    Opera, Firefox, Edge & Tor
    Antivirus
    Windows Defender
As some have mentioned this is apparently an ongoing issue for some/many. I read the other topic attached but no real answers there. Honestly I think this has something to with something called the Master Browser. I've ran into what you're seeing multiple times throughout more recent years. I don't think it was as much of an issue using SMB Shares but has since that's been deprecated my MS.

I forget how it all works. If it happened to me again I'd have to go Google Master Browser to refresh my brain. But basically ONE computer is set as the Master Browser, which will then identify other computer within the same network. Sometimes, for whatever reason, the Master Browser system gets changed to another system and that might muck things up. One time I even tried making my main Router the Master Browser to see if that helped. But ran into other issues to dropped that idea. Currently my daily driver is the Master Browser on my network, especially it is typically on during my waking hours.

Although in your case it might be simpler with 2 systems. I also tend to use the Network icon to access network resources vs using File Explorer.
 

My Computer

System One

  • OS
    Win 7/10/11
    Computer type
    PC/Desktop
    Other Info
    I'm a computer enthusiast so have quite a few systems that I run. More like an advanced hobby.
WOW! That works. Created a shortcut to the 8940, cloned it, changed properties and voila I can now access files on either computer from either computer. Thank-you for posting this!!!
Note I only had to create the shortcuts on one computer. After I did I just copied them over the network to the other computers.

On Tenforums someone created a batch file called FDResPub.bat with contents:
net stop FDResPub net start FDResPub
If you run it on a computer it will cause that computer to show up in FileExplorer > Network
Note must run with Command Prompt (as Administrator).

This works but it is a pain to run on every computer just to get them to show up. I prefer to just use shortcuts.
 

My Computers

System One System Two

  • OS
    Windows 11 Pro 23H2
    Computer type
    Laptop
    Manufacturer/Model
    ASUS TUF Gaming A15 (2022)
    CPU
    AMD Ryzen 7 6800H with Radeon 680M GPU (486MB RAM)
    Memory
    Crucial DDR5-4800 (2400MHz) 32GB (2 x 16GB)
    Graphics Card(s)
    NVIDIA RTX 3060 Laptop (6GB RAM)
    Sound Card
    n/a
    Monitor(s) Displays
    15.6-inch
    Screen Resolution
    1920x1080 300Hz
    Hard Drives
    2 x Samsung 980 (1TB M.2 NVME SSD)
    PSU
    n/a
    Mouse
    Wireless Mouse M510
    Internet Speed
    1200Mbps/250Mbps
    Browser
    Firefox
    Antivirus
    Malwarebytes
  • Operating System
    Windows 11 Pro 23H2
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom build
    CPU
    AMD Ryzen 7 3700X
    Motherboard
    ASUS PRIME X370-PRO
    Memory
    G.SKILL Flare X 32GB (2x16GB) DDR4
    Graphics card(s)
    ASUS ROG-STRIX-RTX3060TI-08G-V2-GAMING (RTX 3060-Ti, 8GB RAM)
    Monitor(s) Displays
    Samsung S23A300B (23-in LED)
    Screen Resolution
    1080p 60Hz
    Hard Drives
    2TB XPG SX8200 Pro (M2. PCIe SSD) || 2TB Intel 660P (M2. PCIe SSD) ||
    PSU
    Corsair RM750x (750 watts)
    Case
    Cooler Master MasterCase 5
    Cooling
    Corsair H60 AIO water cooler
    Mouse
    Logitech K350 (wireless)
    Keyboard
    Logitech M510 (wireless)
    Internet Speed
    1200 Mbps down / 200 Mbps up
    Browser
    Firefox, Edge, Chrome
    Antivirus
    Malwarebytes (Premium)
    Other Info
    ASUS Blu-ray Burner BW-16D1HT (SATA) || Western Digital Elements 12TB USB 3.0 external hard drive used with Acronis True Image backup software || HP OfficeJet Pro 6975 Printer/Scanner
As some have mentioned this is apparently an ongoing issue for some/many. I read the other topic attached but no real answers there. Honestly I think this has something to with something called the Master Browser. I've ran into what you're seeing multiple times throughout more recent years. I don't think it was as much of an issue using SMB Shares but has since that's been deprecated my MS.

I forget how it all works. If it happened to me again I'd have to go Google Master Browser to refresh my brain. But basically ONE computer is set as the Master Browser, which will then identify other computer within the same network. Sometimes, for whatever reason, the Master Browser system gets changed to another system and that might muck things up. One time I even tried making my main Router the Master Browser to see if that helped. But ran into other issues to dropped that idea. Currently my daily driver is the Master Browser on my network, especially it is typically on during my waking hours.

Although in your case it might be simpler with 2 systems. I also tend to use the Network icon to access network resources vs using File Explorer.
Thanks for posting this. In my initial post I referred to what I now know are the SMB settings as UMB settings. 'SMB 1.0/CIFS File Sharing Support' to be more precise. When I went to revert it back to its default, I couldn't find it. Thanks to your post I could.
 

My Computer

System One

  • OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell XPS8950 'special edition'
    CPU
    12th Gen Intel Core i7-12700 2.10 GHz
    Motherboard
    Dell proprietary
    Memory
    64 GB (Crucial)
    Graphics Card(s)
    NVIDIA GeForce RTX 3060 Ti
    Sound Card
    none
    Monitor(s) Displays
    Dell G2722HS
    Screen Resolution
    1920 x 1080
    Hard Drives
    1TB Seagate ST1000DM010-2EP102, 8TB WDC WD8002FZWX-01
    PSU
    Dell proprietary 750W
    Case
    Dell proprietary 'Tower'
    Cooling
    2 air fans
    Keyboard
    Dell wired
    Mouse
    Dell optical wired
    Internet Speed
    1000 Mbps up and down (fibre to the modem)
    Browser
    Opera, Firefox, Edge & Tor
    Antivirus
    Windows Defender
Note I only had to create the shortcuts on one computer. After I did I just copied them over the network to the other computers.
Lol...I was so excited to have something that actually worked that I didn't even think of this. I was just anxious to see it work on both computers. IMO, this (using shortcuts) is a very creative solution.
 

My Computer

System One

  • OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell XPS8950 'special edition'
    CPU
    12th Gen Intel Core i7-12700 2.10 GHz
    Motherboard
    Dell proprietary
    Memory
    64 GB (Crucial)
    Graphics Card(s)
    NVIDIA GeForce RTX 3060 Ti
    Sound Card
    none
    Monitor(s) Displays
    Dell G2722HS
    Screen Resolution
    1920 x 1080
    Hard Drives
    1TB Seagate ST1000DM010-2EP102, 8TB WDC WD8002FZWX-01
    PSU
    Dell proprietary 750W
    Case
    Dell proprietary 'Tower'
    Cooling
    2 air fans
    Keyboard
    Dell wired
    Mouse
    Dell optical wired
    Internet Speed
    1000 Mbps up and down (fibre to the modem)
    Browser
    Opera, Firefox, Edge & Tor
    Antivirus
    Windows Defender
Lol...I was so excited to have something that actually worked that I didn't even think of this. I was just anxious to see it work on both computers. IMO, this (using shortcuts) is a very creative solution.
All your computers have local Internet addresses. Examples for me are:
DarkMatter = 10.0.0.2
Starship = 10.0.0.7

People ping a computer's IP address to make sure the local connection is working.
For example, from Startship to ping DarkMatter

ping.jpg

That shows the network connection between the computers is good. If that didn't work then there is a network problem that needs to be fixed.

A lot of people just create shortcuts to a computers local IP address. However, I prefer shortcuts to computer names.
Note if pinging a computer works then any shortcut to it will always work.
 

My Computers

System One System Two

  • OS
    Windows 11 Pro 23H2
    Computer type
    Laptop
    Manufacturer/Model
    ASUS TUF Gaming A15 (2022)
    CPU
    AMD Ryzen 7 6800H with Radeon 680M GPU (486MB RAM)
    Memory
    Crucial DDR5-4800 (2400MHz) 32GB (2 x 16GB)
    Graphics Card(s)
    NVIDIA RTX 3060 Laptop (6GB RAM)
    Sound Card
    n/a
    Monitor(s) Displays
    15.6-inch
    Screen Resolution
    1920x1080 300Hz
    Hard Drives
    2 x Samsung 980 (1TB M.2 NVME SSD)
    PSU
    n/a
    Mouse
    Wireless Mouse M510
    Internet Speed
    1200Mbps/250Mbps
    Browser
    Firefox
    Antivirus
    Malwarebytes
  • Operating System
    Windows 11 Pro 23H2
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom build
    CPU
    AMD Ryzen 7 3700X
    Motherboard
    ASUS PRIME X370-PRO
    Memory
    G.SKILL Flare X 32GB (2x16GB) DDR4
    Graphics card(s)
    ASUS ROG-STRIX-RTX3060TI-08G-V2-GAMING (RTX 3060-Ti, 8GB RAM)
    Monitor(s) Displays
    Samsung S23A300B (23-in LED)
    Screen Resolution
    1080p 60Hz
    Hard Drives
    2TB XPG SX8200 Pro (M2. PCIe SSD) || 2TB Intel 660P (M2. PCIe SSD) ||
    PSU
    Corsair RM750x (750 watts)
    Case
    Cooler Master MasterCase 5
    Cooling
    Corsair H60 AIO water cooler
    Mouse
    Logitech K350 (wireless)
    Keyboard
    Logitech M510 (wireless)
    Internet Speed
    1200 Mbps down / 200 Mbps up
    Browser
    Firefox, Edge, Chrome
    Antivirus
    Malwarebytes (Premium)
    Other Info
    ASUS Blu-ray Burner BW-16D1HT (SATA) || Western Digital Elements 12TB USB 3.0 external hard drive used with Acronis True Image backup software || HP OfficeJet Pro 6975 Printer/Scanner
Thanks for posting this. In my initial post I referred to what I now know are the SMB settings as UMB settings. 'SMB 1.0/CIFS File Sharing Support' to be more precise. When I went to revert it back to its default, I couldn't find it. Thanks to your post I could.
I think eventually on Win11 MS removed access to SMB1.0. It is off by default on all my Win11 PCs but oddly by daily driver, which was upgraded from Win10 to Win11, still has it active. I must have not turned it off. You can find the settings for it under Control Panel --> Programs --> Programs and Features then under "Turn Windows features on or off"
 

My Computer

System One

  • OS
    Win 7/10/11
    Computer type
    PC/Desktop
    Other Info
    I'm a computer enthusiast so have quite a few systems that I run. More like an advanced hobby.
I think eventually on Win11 MS removed access to SMB1.0. It is off by default on all my Win11 PCs but oddly by daily driver, which was upgraded from Win10 to Win11, still has it active. I must have not turned it off. You can find the settings for it under Control Panel --> Programs --> Programs and Features then under "Turn Windows features on or off"
SMB 1.0 is disabled by default in both Windows 10 and 11. I just checked and it is still available in Windows 11 23H2. Just search for Optional Features. Then select More Windows Features. You can enable it there.

It is a waste to even think about SMB 1.0. It serves no purpose I can think of in Windows 10 or 11.
 

My Computers

System One System Two

  • OS
    Windows 11 Pro 23H2
    Computer type
    Laptop
    Manufacturer/Model
    ASUS TUF Gaming A15 (2022)
    CPU
    AMD Ryzen 7 6800H with Radeon 680M GPU (486MB RAM)
    Memory
    Crucial DDR5-4800 (2400MHz) 32GB (2 x 16GB)
    Graphics Card(s)
    NVIDIA RTX 3060 Laptop (6GB RAM)
    Sound Card
    n/a
    Monitor(s) Displays
    15.6-inch
    Screen Resolution
    1920x1080 300Hz
    Hard Drives
    2 x Samsung 980 (1TB M.2 NVME SSD)
    PSU
    n/a
    Mouse
    Wireless Mouse M510
    Internet Speed
    1200Mbps/250Mbps
    Browser
    Firefox
    Antivirus
    Malwarebytes
  • Operating System
    Windows 11 Pro 23H2
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom build
    CPU
    AMD Ryzen 7 3700X
    Motherboard
    ASUS PRIME X370-PRO
    Memory
    G.SKILL Flare X 32GB (2x16GB) DDR4
    Graphics card(s)
    ASUS ROG-STRIX-RTX3060TI-08G-V2-GAMING (RTX 3060-Ti, 8GB RAM)
    Monitor(s) Displays
    Samsung S23A300B (23-in LED)
    Screen Resolution
    1080p 60Hz
    Hard Drives
    2TB XPG SX8200 Pro (M2. PCIe SSD) || 2TB Intel 660P (M2. PCIe SSD) ||
    PSU
    Corsair RM750x (750 watts)
    Case
    Cooler Master MasterCase 5
    Cooling
    Corsair H60 AIO water cooler
    Mouse
    Logitech K350 (wireless)
    Keyboard
    Logitech M510 (wireless)
    Internet Speed
    1200 Mbps down / 200 Mbps up
    Browser
    Firefox, Edge, Chrome
    Antivirus
    Malwarebytes (Premium)
    Other Info
    ASUS Blu-ray Burner BW-16D1HT (SATA) || Western Digital Elements 12TB USB 3.0 external hard drive used with Acronis True Image backup software || HP OfficeJet Pro 6975 Printer/Scanner
Note I only had to create the shortcuts on one computer. After I did I just copied them over the network to the other computers.
This doesn't work for me. I get a pop up error box titled 'Destination Folder Access Denied' with the message 'you need permission to perform this action'. I can't figure out how to give the Windows 10 computer permissions to create files on the Windows 11 computer and vice versa. I can't set up a user with the name \\8940 or \\8950 because the '\'s aren't allowed in user names. Any ideas how to troubleshoot this?
In fact all I can do is open files in 'read only' mode from the other machine. I can't update existing files nor create new ones. Even right clicking in a folder on the other computer and selecting New {anything} results in the same error message.
 

My Computer

System One

  • OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell XPS8950 'special edition'
    CPU
    12th Gen Intel Core i7-12700 2.10 GHz
    Motherboard
    Dell proprietary
    Memory
    64 GB (Crucial)
    Graphics Card(s)
    NVIDIA GeForce RTX 3060 Ti
    Sound Card
    none
    Monitor(s) Displays
    Dell G2722HS
    Screen Resolution
    1920 x 1080
    Hard Drives
    1TB Seagate ST1000DM010-2EP102, 8TB WDC WD8002FZWX-01
    PSU
    Dell proprietary 750W
    Case
    Dell proprietary 'Tower'
    Cooling
    2 air fans
    Keyboard
    Dell wired
    Mouse
    Dell optical wired
    Internet Speed
    1000 Mbps up and down (fibre to the modem)
    Browser
    Opera, Firefox, Edge & Tor
    Antivirus
    Windows Defender
This doesn't work for me. I get a pop up error box titled 'Destination Folder Access Denied' with the message 'you need permission to perform this action'. I can't figure out how to give the Windows 10 computer permissions to create files on the Windows 11 computer and vice versa. I can't set up a user with the name \\8940 or \\8950 because the '\'s aren't allowed in user names. Any ideas how to troubleshoot this?
In fact all I can do is open files in 'read only' mode from the other machine. I can't update existing files nor create new ones. Even right clicking in a folder on the other computer and selecting New {anything} results in the same error message.
I don't understand what you doing. The shortcuts are for the network computer names (aka Device name). You show/change the Device name in the settings. In the example below the computer name is Starship. The shortcut is \\Starship

Note the user names on most computers is same user MisterEd of type Administrator. They can be different but this just makes it easier.

ComputerName.jpg

I share a folder call XDATA
To allow all the user name MisterEd on my computers to change data in this folder I do the following:
Right-click on folder XDATA
Select Properties
Select Advanced Sharing
Select Permissions
Select Add
Select MisterEd to add to list of Group or user names
Select MisterEd from list
For permissions select All for Full Control, Change and Read
Select OK, etc.

FileSharing.jpg
 

My Computers

System One System Two

  • OS
    Windows 11 Pro 23H2
    Computer type
    Laptop
    Manufacturer/Model
    ASUS TUF Gaming A15 (2022)
    CPU
    AMD Ryzen 7 6800H with Radeon 680M GPU (486MB RAM)
    Memory
    Crucial DDR5-4800 (2400MHz) 32GB (2 x 16GB)
    Graphics Card(s)
    NVIDIA RTX 3060 Laptop (6GB RAM)
    Sound Card
    n/a
    Monitor(s) Displays
    15.6-inch
    Screen Resolution
    1920x1080 300Hz
    Hard Drives
    2 x Samsung 980 (1TB M.2 NVME SSD)
    PSU
    n/a
    Mouse
    Wireless Mouse M510
    Internet Speed
    1200Mbps/250Mbps
    Browser
    Firefox
    Antivirus
    Malwarebytes
  • Operating System
    Windows 11 Pro 23H2
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom build
    CPU
    AMD Ryzen 7 3700X
    Motherboard
    ASUS PRIME X370-PRO
    Memory
    G.SKILL Flare X 32GB (2x16GB) DDR4
    Graphics card(s)
    ASUS ROG-STRIX-RTX3060TI-08G-V2-GAMING (RTX 3060-Ti, 8GB RAM)
    Monitor(s) Displays
    Samsung S23A300B (23-in LED)
    Screen Resolution
    1080p 60Hz
    Hard Drives
    2TB XPG SX8200 Pro (M2. PCIe SSD) || 2TB Intel 660P (M2. PCIe SSD) ||
    PSU
    Corsair RM750x (750 watts)
    Case
    Cooler Master MasterCase 5
    Cooling
    Corsair H60 AIO water cooler
    Mouse
    Logitech K350 (wireless)
    Keyboard
    Logitech M510 (wireless)
    Internet Speed
    1200 Mbps down / 200 Mbps up
    Browser
    Firefox, Edge, Chrome
    Antivirus
    Malwarebytes (Premium)
    Other Info
    ASUS Blu-ray Burner BW-16D1HT (SATA) || Western Digital Elements 12TB USB 3.0 external hard drive used with Acronis True Image backup software || HP OfficeJet Pro 6975 Printer/Scanner
As some have mentioned this is apparently an ongoing issue for some/many. I read the other topic attached but no real answers there. Honestly I think this has something to with something called the Master Browser. I've ran into what you're seeing multiple times throughout more recent years. I don't think it was as much of an issue using SMB Shares but has since that's been deprecated my MS.

I forget how it all works. If it happened to me again I'd have to go Google Master Browser to refresh my brain. But basically ONE computer is set as the Master Browser, which will then identify other computer within the same network. Sometimes, for whatever reason, the Master Browser system gets changed to another system and that might muck things up. One time I even tried making my main Router the Master Browser to see if that helped. But ran into other issues to dropped that idea. Currently my daily driver is the Master Browser on my network, especially it is typically on during my waking hours.

Although in your case it might be simpler with 2 systems. I also tend to use the Network icon to access network resources vs using File Explorer.
The Master Browser would be the machine that had first sniff of the network.
 

My Computer

System One

  • OS
    WIN 10 Pro
Thanks for this. I see from your example that I was in the wrong place. I went through the Security tab rather than the Sharing tab. Things got crazy this morning and I'll have to attend to this later today if not tomorrow. I'll get back then with the results. Thanks again for the guidance!
 

My Computer

System One

  • OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell XPS8950 'special edition'
    CPU
    12th Gen Intel Core i7-12700 2.10 GHz
    Motherboard
    Dell proprietary
    Memory
    64 GB (Crucial)
    Graphics Card(s)
    NVIDIA GeForce RTX 3060 Ti
    Sound Card
    none
    Monitor(s) Displays
    Dell G2722HS
    Screen Resolution
    1920 x 1080
    Hard Drives
    1TB Seagate ST1000DM010-2EP102, 8TB WDC WD8002FZWX-01
    PSU
    Dell proprietary 750W
    Case
    Dell proprietary 'Tower'
    Cooling
    2 air fans
    Keyboard
    Dell wired
    Mouse
    Dell optical wired
    Internet Speed
    1000 Mbps up and down (fibre to the modem)
    Browser
    Opera, Firefox, Edge & Tor
    Antivirus
    Windows Defender
I have 2 desktops, 1 running Windows 11, 1 running Windows 10. Both are current ( 22631.2861 for Win11...I inadvertently cut it off in my screen cap). I have the Advanced Sharing & Services.msc settings set per all instructions I can find related to this. The issue is that the Network devices folder includes the Windows 10 machine on both desktops and excludes the Windows 11 machine on both. How do I get Windows to recognize the Windows 11 machine in the devices listed in the Network devices folder? The '8940' and '8950' designators you'll see in the screen caps refer to Dell XPS 8940/50 desktops, the 8940 running Win 10, the 8950 Win 11. Both devices are set up for Wifi which I generally keep disabled and both are hardwired into my fiber modem. I did try Wifi as the connection for both machines but the results were the same.

Dell Pro Support won't handle this. I tried Microsoft twice. The first guy changed some UMB settings and instructed me to get back to them if that didn't work which it didn't. Since changing those settings required a reboot, the chat session terminated. When I got back to them, the second guy was weird and I suspect kept closing out the Quick Assist session before he could start looking around. 3 times we started up Quick Assist, 3 x it crashed as soon as he took control. The first guy had no problem with Quick Assist and those two chat sessions were at most an hour apart. That's why I'm trying here.

In advance, thanks for any troubleshooting guidance anyone may be able to provide to me.

View attachment 82437View attachment 82438View attachment 82439View attachment 82440
Make sure each machine is set to Private Network under advanced sharing settings. Turn ON Password Protected Sharing. I have a Fixed IP assigned to each of my PC's and have each other computer listed in each other's Windows Credentials.
 

My Computer

System One

  • OS
    WIN 10 Pro
I don't understand what you doing. The shortcuts are for the network computer names (aka Device name). You show/change the Device name in the settings. In the example below the computer name is Starship. The shortcut is \\Starship

Note the user names on most computers is same user MisterEd of type Administrator. They can be different but this just makes it easier.

View attachment 82827

I share a folder call XDATA
To allow all the user name MisterEd on my computers to change data in this folder I do the following:
Right-click on folder XDATA
Select Properties
Select Advanced Sharing
Select Permissions
Select Add
Select MisterEd to add to list of Group or user names
Select MisterEd from list
For permissions select All for Full Control, Change and Read
Select OK, etc.

View attachment 82828
This worked. I WAS in the wrong place. I tried to figure this out from the Security tab rather than the Sharing tab as your example shows. Again, thank-you for the guidance!!
 

My Computer

System One

  • OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell XPS8950 'special edition'
    CPU
    12th Gen Intel Core i7-12700 2.10 GHz
    Motherboard
    Dell proprietary
    Memory
    64 GB (Crucial)
    Graphics Card(s)
    NVIDIA GeForce RTX 3060 Ti
    Sound Card
    none
    Monitor(s) Displays
    Dell G2722HS
    Screen Resolution
    1920 x 1080
    Hard Drives
    1TB Seagate ST1000DM010-2EP102, 8TB WDC WD8002FZWX-01
    PSU
    Dell proprietary 750W
    Case
    Dell proprietary 'Tower'
    Cooling
    2 air fans
    Keyboard
    Dell wired
    Mouse
    Dell optical wired
    Internet Speed
    1000 Mbps up and down (fibre to the modem)
    Browser
    Opera, Firefox, Edge & Tor
    Antivirus
    Windows Defender
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