Cant update windows server 2012R2.

Question

Hi. When I try to install updates, I get: 0x800f0900

1. I have followed these tips https://learn.microsoft.com/en-us/windows/deployment/update/windows-update-resources
2. I manually downloaded the update from the windows update center and the installation fails.
3. Download ISO and attach to server: PS C:\Windows\system32> DISM /Online /Cleanup-Image /RestoreHealth /Source:E:\So
   urces\install.wim Deployment Image Servicing and Management tool
   Version: 6.3.9600.19408 Image Version: 6.3.9600.19397 [==========================100.0%==========================] Error: 0x800f0906 The source files could not be downloaded.
   Use the "source" option to specify the location of the files that are required t
   o restore the feature. For more information on specifying a source location, see
   http://go.microsoft.com/fwlink/?LinkId=243077. The DISM log file can be found at C:\Windows\Logs\DISM\dism.log
   PS C:\Windows\system32> DISM /Online /Cleanup-Image /RestoreHealth /Source:E:\So
   urces\install.wim Deployment Image Servicing and Management tool
   Version: 6.3.9600.19408 Image Version: 6.3.9600.19397 [==========================100.0%==========================] Error: 0x800f0906 The source files could not be downloaded.
   Use the "source" option to specify the location of the files that are required t
   o restore the feature. For more information on specifying a source location, see
   http://go.microsoft.com/fwlink/?LinkId=243077. The DISM log file can be found at C:\Windows\Logs\DISM\dism.log
   PS C:\Windows\system32> Repair-WindowsImage -Online -RestoreHealth
   Repair-WindowsImage : The source files could not be downloaded.
   Use the "source" option to specify the location of the files that are required
   to restore the feature. For more information on specifying a source location, s
   ee http://go.microsoft.com/fwlink/?LinkId=243077.
   At line:1 char:1
   • Repair-WindowsImage -Online -RestoreHealth
   • ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     • CategoryInfo : NotSpecified: (:) [Repair-WindowsImage], COMExce
       ption
     • FullyQualifiedErrorId : Microsoft.Dism.Commands.RepairWindowsImageComman
       d
4. dism.log: 2021-06-01 12:21:24, Error DISM DISM Package Manager: PID=5276 TID=6532 Failed finalizing changes. - CDISMPackageManager::Internal_Finalize(hr:0x800f0906)
   2021-06-01 12:21:24, Error DISM DISM Package Manager: PID=5276 TID=6532 The source files could not be found and download failed. Their location can be specified using the /source option to restore the feature. - GetCbsErrorMsg
   2021-06-01 12:21:24, Error DISM DISM Package Manager: PID=5276 TID=6532 Failed processing package changes with session option CbsSessionOptionRepairStoreCorruption - CDISMPackageManager::RestoreHealth(hr:0x800f0906)
   2021-06-01 12:21:24, Error DISM DISM Package Manager: PID=5276 TID=6532 The source files could not be found and download failed. Their location can be specified using the /source option to restore the feature. - GetCbsErrorMsg
   2021-06-01 12:21:24, Error DISM DISM Package Manager: PID=5276 TID=6532 Failed to restore the image health. - CPackageManagerCLIHandler::ProcessCmdLine_CleanupImage(hr:0x800f0906)
   2021-06-01 12:21:24, Error DISM DISM Package Manager: PID=5276 TID=6532 Failed while processing command cleanup-image. - CPackageManagerCLIHandler::ExecuteCmdLine(hr:0x800f0906)
5. WindowsUpdate.log 2021-06-02 07:19:59:740 976 1920 Report REPORT EVENT: {A933E4CD-400F-4704-858E-79E562552778} 2021-06-02 07:19:54:740+0300 1 182 [AGENT_INSTALLING_FAILED] 101 {A4D880CB-C4D5-4974-B55B-015F5388201F} 200 800f0900 AutomaticUpdatesWuApp Failure Content Install Installation Failure: Windows failed to install the following update with error 0x800f0900: Ежемесячный набор исправлений качества системы безопасности для систем Windows Server 2012 R2 на базе процессоров x64 (KB5003209), 05 2021 г..
   2021-06-02 07:19:59:772 976 1920 Report CWERReporter::HandleEvents - WER report upload completed with WER status 0x8 (hr=0)
   2021-06-02 07:19:59:772 976 1920 Report WER Report sent: 7.9.9600.19915 0x800f0900(0x800f0900) A4D880CB-C4D5-4974-B55B-015F5388201F Install 200 0 AutomaticUpdatesWuApp {3DA21691-E39D-4DA6-8A4B-B43877BCB1B7} 0
   2021-06-02 07:19:59:772 976 1920 Report CWERReporter finished handling 2 events. (00000000)

Answer 1

Hi,
I did some research and this seems to be a common issue. You can refer to this article:
https://windowsreport.com/error-0x800f0900-windows-10/
Please note: Information posted in the given link is hosted by a third party. Microsoft does not guarantee the accuracy and effectiveness of information.

If the problem remains, you might need to change the iso file or reinstall windows.

Hope this will help.
Best regards,
Danny

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Answer 2

The problem could not be solved. I will reinstall the operating system.