File owner changes


  1. rdwray
    Posts : 841
    Windows 10 Pro 21H2
       New #1

    File owner changes


    I backup my files to a USB on another PC and the owner changes to a long string (S-1-5-21-2070691468-2192114673-407588093-1001) - what's going on???
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  3. hsehestedt
    Posts : 4,187
    Windows 11 Pro, 22H2
       New #2

    How are you performing the backup?

    If the backup includes the owner information and not just the data, the the remote system will display the Security ID (SID for short) because it does not have the name associated with that SID locally. The SID would only translate to a valid user name on the system from which the files originated.
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  4. rdwray
    Posts : 841
    Windows 10 Pro 21H2
    Thread Starter
       New #3

    hsehestedt said:
    How are you performing the backup?
    I use xcopy for backup.
    If the backup includes the owner information and not just the data, the the remote system will display the Security ID (SID for short) because it does not have the name associated with that SID locally. The SID would only translate to a valid user name on the system from which the files originated.
    It has cause issues when trying to copy a file back because it maintains the SID rather than the owner of the file, but I made sure "Inherit" is "Enabled" and it seems to be working.
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