Solved Cannot access admin share in workgroup


perdrix

perdrix

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I have a set of W11 PCs in a workgroup. I just built a new W11 PC and added it to the workgroup. If I attempt to access an admin share on the new PC from one of the other PCs, I get access denied, even though the same userid/password is defined on both systems. I even tried specifying the username and password manually and got the same error.

I did enable admin shares on the new PC.

Puzzled - I guess there's something I've forgotten to do, but what?

Thanks, David
 

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You can try disabling SMB signing. Windows 11 supports it, but the encrypted sessions don't always setup correctly in a workgroup. Do this on two PCs just to try it out. If this ends up not being it, you can turn it back on.

From an administrative PowerShell session:
Powershell: 
Set-SmbClientConfiguration -EnableSecuritySignature $false -RequireSecuritySignature $false
Set-SmbServerConfiguration -EnableSecuritySignature $false -RequireSecuritySignature $false
 

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perdrix said:
If I attempt to access an admin share on the new PC from one of the other PCs, I get access denied,
Click to expand...

Let's be very clear about what "amin share" you are trying to connect to: Are you talking about the built-in share named Admin$ or any of the other predefined shares like C$, etc.? If so, your inability to connect to this share is by design and expected behavior. The predefined shares are NOT intended to be connected to by a user account (even an Administrator).

If you create a new share yourself, can you connect to that? If so, it is working as intended.
 

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I mean the C$ share - I can access those w/o problem on the other systems (all W11).
 

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Windows 11 for WorkstationsXeon W-11885M128GB
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Windows 11 for Workstations
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Dell Precision 7750
CPU
Xeon W-11885M
Motherboard
Dell
Memory
128GB
Pah! I mispelt LocalAccountTokenFilterPolicy!!! All now working
 

My Computer My Computer

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Windows 11 for WorkstationsXeon W-11885M128GB
OS
Windows 11 for Workstations
Computer type
Laptop
Manufacturer/Model
Dell Precision 7750
CPU
Xeon W-11885M
Motherboard
Dell
Memory
128GB
perdrix said:
I mean the C$ share - I can access those w/o problem on the other systems (all W11).
Click to expand...

The built-in C$ share is not intended for user access. Create a new share of your own for the same location (the root of the C: drive). Call it whatever you want. Add the $ at the end of the share name if you want it to be a hidden share.
 

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    Win11 Pro 25H2 (RTM+)
    Computer type
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    Acemagic
    CPU
    Intel i7-14650HX
    Memory
    32 GB
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    1 x 1TB Gen 4 NVMe SSD
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    Win11 Pro 25H2 (RTM+)
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    Manufacturer/Model
    Lenovo ThinkBook 13x Gen 2
    CPU
    Intel i7-1255U
    Memory
    16 GB
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    Intel Iris Xe Graphics
    Sound Card
    Realtek® ALC3306-CG codec
    Monitor(s) Displays
    13.3-inch IPS Display
    Screen Resolution
    WQXGA (2560 x 1600)
    Hard Drives
    2 TB 4 x 4 NVMe SSD
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>The built-in C$ share is not intended for user access

Nonsense - it was around for years, and all admins used it. Someone in MS decided that the name drive$ was of itself a security exposure which it why they disabled it by default (whatever the merits of that view).
 

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Dell Precision 7750
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Xeon W-11885M
Motherboard
Dell
Memory
128GB
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Thanks for the feedback. You folks are correct, of course. It turns out that I incorrectly came to that conclusion based upon some outdated information.

Way back in the dark ages (Windows XP) there were some differences with those pre-defined shares. If I recall correctly, I think that a user was somehow forced into guest access permissions even if they were an admin connecting to those shares remotely. I believe that has all changed with the introduction of UAC. I'd have to look up the details, but bottom line is that I got this one as wrong as I possibly could.

I also have not had my coffee yet today, so I'll use that as my excuse. :-)

Thanks again for the corrections - I can always count on people to let me know when I get it wrong and that is a good thing!
 

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    Win11 Pro 25H2 (RTM+)Intel i7-14650HX32 GBNo GPU - Built-in Intel Graphics
    OS
    Win11 Pro 25H2 (RTM+)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Acemagic
    CPU
    Intel i7-14650HX
    Memory
    32 GB
    Graphics Card(s)
    No GPU - Built-in Intel Graphics
    Sound Card
    Integrated
    Monitor(s) Displays
    Varies as machine will often be moved to locations with different monitors
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    Operating System
    Win11 Pro 25H2 (RTM+)
    Computer type
    Laptop
    Manufacturer/Model
    Lenovo ThinkBook 13x Gen 2
    CPU
    Intel i7-1255U
    Memory
    16 GB
    Graphics card(s)
    Intel Iris Xe Graphics
    Sound Card
    Realtek® ALC3306-CG codec
    Monitor(s) Displays
    13.3-inch IPS Display
    Screen Resolution
    WQXGA (2560 x 1600)
    Hard Drives
    2 TB 4 x 4 NVMe SSD
    PSU
    USB-C / Thunderbolt 4 Power / Charging
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    Backlit, spill resistant keyboard
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    Buttonless Glass Precision Touchpad
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hsehestedt said:
Thanks again for the corrections - I can always count on people to let me know when I get it wrong and that is a good thing!
Click to expand...

This reminds me of that person that said whenever they have a programming problem, they post it on reddit, and then use another account to post a wrong answer. Before you know it, dozens of people swoop in with correct answers to tell that person how wrong they are.

Edit...

View attachment 163567
 

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Intel NUC12WSHi7
CPU
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NUC12WSBi7
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pseymour said:
This reminds me of that person that said whenever they have a programming problem, they post it on reddit, and then use another account to post a wrong answer. Before you know it, dozens of people swoop in with correct answers to tell that person how wrong they are.

Edit...

View attachment 163567
Click to expand...

OMG, that is funny.
 

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System One System Two

  • At a glance

    Win11 Pro 25H2 (RTM+)Intel i7-14650HX32 GBNo GPU - Built-in Intel Graphics
    OS
    Win11 Pro 25H2 (RTM+)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Acemagic
    CPU
    Intel i7-14650HX
    Memory
    32 GB
    Graphics Card(s)
    No GPU - Built-in Intel Graphics
    Sound Card
    Integrated
    Monitor(s) Displays
    Varies as machine will often be moved to locations with different monitors
    Screen Resolution
    Varies
    Hard Drives
    1 x 1TB Gen 4 NVMe SSD
    PSU
    120W Power Brick
    Keyboard
    Corsair K70 Max RGB Magnetic Keyboard
    Mouse
    Logitech MX Master 3
    Internet Speed
    1Gb Up / 1 Gb Down
    Browser
    Edge
    Antivirus
    Windows Defender

  • At a glance

    Win11 Pro 25H2 (RTM+)Intel i7-1255U16 GBIntel Iris Xe Graphics
    Operating System
    Win11 Pro 25H2 (RTM+)
    Computer type
    Laptop
    Manufacturer/Model
    Lenovo ThinkBook 13x Gen 2
    CPU
    Intel i7-1255U
    Memory
    16 GB
    Graphics card(s)
    Intel Iris Xe Graphics
    Sound Card
    Realtek® ALC3306-CG codec
    Monitor(s) Displays
    13.3-inch IPS Display
    Screen Resolution
    WQXGA (2560 x 1600)
    Hard Drives
    2 TB 4 x 4 NVMe SSD
    PSU
    USB-C / Thunderbolt 4 Power / Charging
    Keyboard
    Backlit, spill resistant keyboard
    Mouse
    Buttonless Glass Precision Touchpad
    Internet Speed
    1Gb Up / 1Gb Down
    Browser
    Edge
    Antivirus
    Windows Defender
    Other Info
    WiFi 6e / Bluetooth 5.1 / Facial Recognition / Fingerprint Sensor / ToF (Time of Flight) Human Presence Sensor
Programming question asked on Reddit?
That is the funny part to me.
 

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  • At a glance

    All Branches but ReleaseAMD Ryzen 7 7735HS 3200-4500 Mhz 8 cores x 232 GB DDR5Radeon Graphic / NVIDIA GeForce RTX 4060 8 GB...
    OS
    All Branches but Release
    Computer type
    Laptop
    Manufacturer/Model
    Acer Nitro ANV15-51
    CPU
    AMD Ryzen 7 7735HS 3200-4500 Mhz 8 cores x 2
    Motherboard
    Sportage_RBH
    Memory
    32 GB DDR5
    Graphics Card(s)
    Radeon Graphic / NVIDIA GeForce RTX 4060 8 GB GDDR6
    Sound Card
    AMD/Realtek(R) Audio
    Monitor(s) Displays
    Integrated Monitor (15.3"vis)
    Screen Resolution
    FHD 1920X1080 16:9 144Hz
    Hard Drives
    KINGSTON OM8SEP4512Q-AA 1TB
    Western Digital 256GB
    PSU
    19V DC 6.32 A 120 W
    Cooling
    Dual Fans
    Mouse
    MS Bluetooth
    Internet Speed
    Fiber 1GB Cox -us & 1GB Orange-fr
    Browser
    Edge Canary- Firefox Nightly-Chrome Dev-Chrome Dev
    Antivirus
    Windows Defender

  • At a glance

    Windows 11 BetaAMD A9-94208 GB of DDR4AMD Radeon R5
    Operating System
    Windows 11 Beta
    Computer type
    Laptop
    Manufacturer/Model
    Asus X751BP
    CPU
    AMD A9-9420
    Memory
    8 GB of DDR4
    Graphics card(s)
    AMD Radeon R5
    Screen Resolution
    1600x900
    Hard Drives
    Seagate 1 TB
OAT said:
Programming question asked on Reddit?
That is the funny part to me.
Click to expand...
Yeah why bother asking questions when we have AI doing all the Windows updates :party::lmao:
 

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Windows 11 Pro 23H2Intel(R) Core(TM) i9-12900HK32gbIntel(R) Iris(R) Xe Graphics
OS
Windows 11 Pro 23H2
Computer type
PC/Desktop
Manufacturer/Model
MinisForum
CPU
Intel(R) Core(TM) i9-12900HK
Memory
32gb
Graphics Card(s)
Intel(R) Iris(R) Xe Graphics
Sound Card
Realtek 888
Monitor(s) Displays
Acer
Screen Resolution
1920x1080
Hard Drives
1TB SSD
Keyboard
Logitech
Mouse
Logitech MX Master 2X
Internet Speed
1GB
Browser
Firefox
Antivirus
Windows Defender
flhthemi said:
Yeah why bother asking questions when we have AI doing all the Windows updates :party::lmao:
Click to expand...
I hope you didn’t pull a muscle making that leap.
 

My Computer My Computer

At a glance

Windows 11 Pro 25H212th Gen Core i7-1260P64 GB Micron PC4-25600Intel Iris Xe Graphics
OS
Windows 11 Pro 25H2
Computer type
PC/Desktop
Manufacturer/Model
Intel NUC12WSHi7
CPU
12th Gen Core i7-1260P
Motherboard
NUC12WSBi7
Memory
64 GB Micron PC4-25600
Graphics Card(s)
Intel Iris Xe Graphics
Sound Card
on-board Realtek HD Audio
Monitor(s) Displays
Dell U3219Q
Screen Resolution
3840 x 2160
Hard Drives
Samsung SSD 990 PRO 1TB
Crucial MX500 2 TB
Keyboard
CODE 104-Key mechanical with Cherry MX Clears
Antivirus
Microsoft Defender
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