Running DISM Fails with Error: 1726


  1. Posts : 26
    Windows 10 (64 bit)
       #1

    Running DISM Fails with Error: 1726


    I can run the following commands and they all run fine and do not find any issues:

    • DISM.exe /Online /Cleanup-image /Scanhealth
    • DISM.exe /Online /Cleanup-image /Restorehealth
    • sfc /scannow
    • chkdsk /F C:



    But the following fails every time:

    • DISM.exe /online /cleanup-image /startcomponentcleanup



    Even tried this which works and finds no issues but still fails if i run the above:

    • DISM.exe /online /Cleanup-Image /StartComponentCleanup /ResetBase /RestoreHealth



    I did not have this issue until after the following update, at least to my knowledge: KB4549951

    Running Windows 10 1909 18363.778 x64.

    Does this have anything to do with Disk Cleanup being deprecated now?

    When I run Disk Cleanup and select Windows Updates there is ~6GB and I select to remove it but it does not. I'm assuming that is the reserved space that I've been reading up on.

    The exact error messages:

    • Error: 1726 The remote procedure call failed (in cmd after running: DISM.exe /online /cleanup-image /startcomponentcleanup)
    • Unable to start a DCOM Server: {0358B920-0AC7-461F-98F4-58E32CD89148}. The error: "2147942767" Happened while starting this command: C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683} (in Event Viewer)
      My Computer


  2. Posts : 18,034
    Win 10 Pro 64-bit v1909 - Build 18363 Custom ISO Install
       #2

    Hello @xCONFLiCTiONx,

    Did you manage to sort this out?
      My Computer


  3. Posts : 26
    Windows 10 (64 bit)
    Thread Starter
       #3

    No, it is still the same behavior.
      My Computer


  4. Posts : 4,145
    Windows 3.1 to Windows 11
       #4

    Dism /Online /Cleanup-Image /StartComponentCleanup

    test by using Capitalize last switch
      My Computer


  5. Posts : 26
    Windows 10 (64 bit)
    Thread Starter
       #5

    Thank you but that didn't work either... Exact same outcome.
      My Computer


  6. Posts : 18,034
    Win 10 Pro 64-bit v1909 - Build 18363 Custom ISO Install
       #6

    Kyhi said:
    Dism /Online /Cleanup-Image /StartComponentCleanup

    test by using Capitalize last switch
    That is a good point as all the documentation shows StartComponentCleanup and not startcomponentcleanup!
      My Computer


 

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