Solved Why would Microsoft Update create a separate Administrator Account


Reddwebdev

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Dual Boot Win11 Pro/Linux Mint (Cinnamon) 21.2
Running the Windows 11 Insider Program and upon after a recent update I noticed that Windows Update had gone in and created a separate Administrator Account

Super weird because I didn't authorize that another Administrator Account be created

Not sure what Microsoft is up to, but I'm guessing that it might have something to do with their failed attempt at deploying Recall (maybe)

Out of the blue this morning I got a notice to reboot the machine because Microsoft wanted to do a *Repair Update

The *Repair Update is taking forever

If for some reason this *Repair Update doesn't address the added *Extra* Administrator Account problem I may need help getting rid of that extra account

Not sure what the OS version Windows 11 is right now on the big box because it's in the middle of this so-called *Repair Update, but I'll post is as soon as I can
 

My Computer

System One

  • OS
    Dual Boot Win11 Pro/Linux Mint (Cinnamon) 21.2
    Computer type
    PC/Desktop
    Manufacturer/Model
    ASUS
    CPU
    AMD Ryzen 5 5600X 6-Core
    Motherboard
    ROG STRIX B550-F
    Memory
    32GB
    Graphics Card(s)
    Advanced Micro Devices, Inc. [AMD/ATI] Cedar [Radeon HD 5000/6000/7350/8350 Series] (prog-if 00 [VGA controller])
    Sound Card
    OnBoard
    Monitor(s) Displays
    HP 32F x2 @60Hz
    Screen Resolution
    1920x1080
    Hard Drives
    6 SATA x @2TB ea @7200RPM
    PSU
    Corsair CV750
    Case
    AeroCool Cylon RGB Mid Tower
    Cooling
    Wraith Stealth Cooler
    Keyboard
    Logitech (wireless)
    Mouse
    Logitech (wireless)
    Internet Speed
    200+ MBPS
    Browser
    Firefox
    Antivirus
    Microsoft Defender/Linux Kernel
    Other Info
    Nylavee SK600 RGB PC 5.0 HiFi Speakers/Bluetooth
    Binnune 2.4G Bluetooth/USB Headphones w/Mic
    Gotega USB ODD/HDD CD/RW/DVD ROM
An update --

Okay, so the so-called *Repair Update is completed

When the machine rebooted it went through all of the trappings of a new install complete with all of the "Don't turn your device off because great things are coming your way" notices.

Specs indicate that as of today I've got 23H2 version OS build 22631.3737

The machine rebooted into my original Administrator Account (finally)

Microsoft had turned a few things on that I had shut off previously, but that's all minor stuff (Microsoft will turn things back on any chance it gets)

I still have that other Administrator Account that Windows Update created on the last go -- Can't find it under "Users" tho' ... would like very much to get rid of it.
 

My Computer

System One

  • OS
    Dual Boot Win11 Pro/Linux Mint (Cinnamon) 21.2
    Computer type
    PC/Desktop
    Manufacturer/Model
    ASUS
    CPU
    AMD Ryzen 5 5600X 6-Core
    Motherboard
    ROG STRIX B550-F
    Memory
    32GB
    Graphics Card(s)
    Advanced Micro Devices, Inc. [AMD/ATI] Cedar [Radeon HD 5000/6000/7350/8350 Series] (prog-if 00 [VGA controller])
    Sound Card
    OnBoard
    Monitor(s) Displays
    HP 32F x2 @60Hz
    Screen Resolution
    1920x1080
    Hard Drives
    6 SATA x @2TB ea @7200RPM
    PSU
    Corsair CV750
    Case
    AeroCool Cylon RGB Mid Tower
    Cooling
    Wraith Stealth Cooler
    Keyboard
    Logitech (wireless)
    Mouse
    Logitech (wireless)
    Internet Speed
    200+ MBPS
    Browser
    Firefox
    Antivirus
    Microsoft Defender/Linux Kernel
    Other Info
    Nylavee SK600 RGB PC 5.0 HiFi Speakers/Bluetooth
    Binnune 2.4G Bluetooth/USB Headphones w/Mic
    Gotega USB ODD/HDD CD/RW/DVD ROM
It's probably the Hidden Administrator account doing some housework but it should have been hidden again once it's finished.
 

My Computer

System One

  • OS
    WIN 10 Pro
It's probably the Hidden Administrator account doing some housework but it should have been hidden again once it's finished.
Seems a bit odd that Microsoft would go in and turn it on without shutting it back off

I thought that the Administrator Account that's showing was an extra

If indeed this is the one that's supposed to be hidden then I'll go in and look to see if *net user administrator /active: * is actually set to yes or not
 

My Computer

System One

  • OS
    Dual Boot Win11 Pro/Linux Mint (Cinnamon) 21.2
    Computer type
    PC/Desktop
    Manufacturer/Model
    ASUS
    CPU
    AMD Ryzen 5 5600X 6-Core
    Motherboard
    ROG STRIX B550-F
    Memory
    32GB
    Graphics Card(s)
    Advanced Micro Devices, Inc. [AMD/ATI] Cedar [Radeon HD 5000/6000/7350/8350 Series] (prog-if 00 [VGA controller])
    Sound Card
    OnBoard
    Monitor(s) Displays
    HP 32F x2 @60Hz
    Screen Resolution
    1920x1080
    Hard Drives
    6 SATA x @2TB ea @7200RPM
    PSU
    Corsair CV750
    Case
    AeroCool Cylon RGB Mid Tower
    Cooling
    Wraith Stealth Cooler
    Keyboard
    Logitech (wireless)
    Mouse
    Logitech (wireless)
    Internet Speed
    200+ MBPS
    Browser
    Firefox
    Antivirus
    Microsoft Defender/Linux Kernel
    Other Info
    Nylavee SK600 RGB PC 5.0 HiFi Speakers/Bluetooth
    Binnune 2.4G Bluetooth/USB Headphones w/Mic
    Gotega USB ODD/HDD CD/RW/DVD ROM
I'm sure Microsoft enabled hidden user account execute Net users command to view list of all user accounts.
 

My Computer

System One

  • OS
    Windows 11
    Computer type
    PC/Desktop
    Manufacturer/Model
    HP Pavilion
    CPU
    AMD Ryzen 7 5700G
    Motherboard
    Erica6
    Memory
    Micron Technology DDR4-3200 16GB
    Graphics Card(s)
    NVIDIA GeForce RTX 3060
    Sound Card
    Realtek ALC671
    Monitor(s) Displays
    Samsung SyncMaster U28E590
    Screen Resolution
    3840 x 2160
    Hard Drives
    SAMSUNG MZVLQ1T0HALB-000H1
I’ve had that happen 2 or 3 times following windows updates before. It showed my acct and a second acct with the default bmp user image. This was due to haveing auto login enabled via netplwiz. With that option disabled, it has never happened again. I’m pretty sure it’s due to trying to log in with cached creds after reboot.
 

My Computer

System One

  • OS
    Windows 11 Pro
What do you actually mean by "had gone in" and where did you see that seperate Administrator Account?
It showed up right after a Windows Update session so I figured that Microsoft had "gone in" and left the door open when they left

I noticed this when upon after reboot, the machine went straight to that Administrator account and not my original Administrator account
 

My Computer

System One

  • OS
    Dual Boot Win11 Pro/Linux Mint (Cinnamon) 21.2
    Computer type
    PC/Desktop
    Manufacturer/Model
    ASUS
    CPU
    AMD Ryzen 5 5600X 6-Core
    Motherboard
    ROG STRIX B550-F
    Memory
    32GB
    Graphics Card(s)
    Advanced Micro Devices, Inc. [AMD/ATI] Cedar [Radeon HD 5000/6000/7350/8350 Series] (prog-if 00 [VGA controller])
    Sound Card
    OnBoard
    Monitor(s) Displays
    HP 32F x2 @60Hz
    Screen Resolution
    1920x1080
    Hard Drives
    6 SATA x @2TB ea @7200RPM
    PSU
    Corsair CV750
    Case
    AeroCool Cylon RGB Mid Tower
    Cooling
    Wraith Stealth Cooler
    Keyboard
    Logitech (wireless)
    Mouse
    Logitech (wireless)
    Internet Speed
    200+ MBPS
    Browser
    Firefox
    Antivirus
    Microsoft Defender/Linux Kernel
    Other Info
    Nylavee SK600 RGB PC 5.0 HiFi Speakers/Bluetooth
    Binnune 2.4G Bluetooth/USB Headphones w/Mic
    Gotega USB ODD/HDD CD/RW/DVD ROM
It showed up right after a Windows Update session so I figured that Microsoft had "gone in" and left the door open when they left

I noticed this when upon after reboot, the machine went straight to that Administrator account and not my original Administrator account
It doesn't need an explanation that involves any action on Microsoft's part.

On boot Windows will always try to sign into the last account that was signed in, and if that account has no password then it goes straight in, bypassing the sign in screen. Only if there's a password will it stop and ask you for one.

If you have enabled the built in Administrator account (which by default has no password) and had last signed in as Administrator, then that could explain this.
 

My Computers

System One System Two

  • OS
    Windows 11 Home
    Computer type
    Laptop
    Manufacturer/Model
    Acer Aspire 3 A315-23
    CPU
    AMD Athlon Silver 3050U
    Memory
    8GB
    Graphics Card(s)
    Radeon Graphics
    Monitor(s) Displays
    laptop screen
    Screen Resolution
    1366x768 native resolution, up to 2560x1440 with Radeon Virtual Super Resolution
    Hard Drives
    1TB Samsung EVO 870 SSD
    Internet Speed
    50 Mbps
    Browser
    Edge, Firefox
    Antivirus
    Defender
    Other Info
    fully 'Windows 11 ready' laptop. Windows 10 C: partition migrated from my old unsupported 'main machine' then upgraded to 11. A test migration ran Insider builds for 2 months. When 11 was released on 5th October it was re-imaged back to 10 and was offered the upgrade in Windows Update on 20th October. Windows Update offered the 22H2 Feature Update on 20th September 2022. It got the 23H2 Feature Update on 4th November 2023 through Windows Update.

    My SYSTEM THREE is a Dell Latitude 5410, i7-10610U, 32GB RAM, 512GB NVMe ssd, supported device running Windows 11 Pro (and all my Hyper-V VMs).

    My SYSTEM FOUR is a 2-in-1 convertible Lenovo Yoga 11e 20DA, Celeron N2930, 8GB RAM, 256GB ssd. Unsupported device: currently running Win10 Pro, plus Win11 Pro RTM and Insider Dev, Beta, and RP 24H2 as native boot vhdx.

    My SYSTEM FIVE is a Dell Latitude 3190 2-in-1, Pentium Silver N5030, 4GB RAM, 512GB NVMe ssd, supported device running Windows 11 Pro, plus the Insider Beta, Dev, Canary, and Release Preview builds as a native boot .vhdx.
  • Operating System
    Windows 11 Pro
    Computer type
    Laptop
    Manufacturer/Model
    Dell Lattitude E4310
    CPU
    Intel® Core™ i5-520M
    Motherboard
    0T6M8G
    Memory
    8GB
    Graphics card(s)
    (integrated graphics) Intel HD Graphics
    Screen Resolution
    1366x768
    Hard Drives
    500GB Crucial MX500 SSD
    Browser
    Firefox, Edge
    Antivirus
    Defender
    Other Info
    unsupported machine: Legacy bios, MBR, TPM 1.2, upgraded from W10 to W11 using W10/W11 hybrid install media workaround. In-place upgrade to 22H2 using ISO and a workaround. Feature Update to 23H2 by manually installing the Enablement Package. Also running Insider Beta, Dev, and Canary builds as a native boot .vhdx.

    My SYSTEM THREE is a Dell Latitude 5410, i7-10610U, 32GB RAM, 512GB NVMe ssd, supported device running Windows 11 Pro (and all my Hyper-V VMs).

    My SYSTEM FOUR is a 2-in-1 convertible Lenovo Yoga 11e 20DA, Celeron N2930, 8GB RAM, 256GB ssd. Unsupported device: currently running Win10 Pro, plus Win11 Pro RTM and Insider Dev, Beta, and RP 24H2 as native boot vhdx.

    My SYSTEM FIVE is a Dell Latitude 3190 2-in-1, Pentium Silver N5030, 4GB RAM, 512GB NVMe ssd, supported device running Windows 11 Pro, plus the Insider Beta, Dev, Canary, and Release Preview builds as a native boot .vhdx.
My Notebook new in Oct. '21 with Win10 Pro immediately Upgraded to Win11 Pro:

1718630116351.png
 

My Computers

System One System Two

  • OS
    Win11 Pro RTM
    Computer type
    Laptop
    Manufacturer/Model
    Dell Vostro 3400
    CPU
    Intel Core i5 11th Gen. 2.40GHz
    Memory
    12GB
    Hard Drives
    256GB SSD NVMe
  • Operating System
    Windows 11 Pro RTM x64
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Vostro 5890
    CPU
    Intel Core i5 10th Gen. 2.90GHz
    Memory
    16GB
    Graphics card(s)
    Onboard, no VGA, using a DisplayPort-to-VGA adapter
    Monitor(s) Displays
    24" Dell
    Hard Drives
    512GB SSD NVMe, 2TB WDC HDD
    Browser
    Firefox, Edge
    Antivirus
    Windows Defender/Microsoft Security

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