Windows Server 2016 Backup - error with user of network share

If you are running a Windows Server 2016, are using the integrated Windows Server Backup utility and you want to save the backup to a remote destination, which is a CIFS/SMB network share, then during the setup the following error might occur:


"The user name being used for accessing the remote share folder is not recognized by the local computer."

Soltuion

1. Create a local user at your Windows Server, which has the same username and password as the cifs/smb user
2. Add this user to the "Backup Operators" user group:
3. Go back to setup the backup job using the "Previous" button and click next/finish again -> Your scheduled backup job using a cifs/smb network share should now be created successfully.

19 comments:

  1. Replies
    1. Great, thank you for your feedback :-)

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    2. "which has the same username and password as the cifs/smb user"
      I didnt get the sentence. Could you please explain?

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    3. that means you need to create a windows user with same login-password as smb user has. also windows user must be member of Backup Operators group.

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  2. This comment has been removed by the author.

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  3. Hi, what if your CiFS username has a backslash e.g CIFS01\administrator ? the windows will not accept user with backslash which is the username on the cifs share.

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  4. That worked!
    To be clear .. when it asks for the remote share user/password, do NOT put the machine prefix on. just the account name and password.

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  5. Worked perfect on Windows Server 2019 Standard using Windows Backup and a Synology Disk Station. Thanks

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  6. Replies
    1. SOLVED GUYS- U NEED TO CREATE SOME NEW ACC ON PC WHAT U WANT TO BACKUP, NOT SERVER WHEN U WAN TO STORE. PS DONT FORGOT TO ADD PROPER PERMISSIONS FOR THAT NEW ACCOUNT ON THE SERVER SIDE

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    2. but... for me even local administrator acc did not work... had to make local new acc to match the remote account on the synology lan drive, to make it work

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  7. Windows 11 Home You made such an interesting piece to read, giving every subject enlightenment for us to gain knowledge. Thanks for sharing the such information with us to read this...

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  8. Thanks very much worked

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  9. I have created an account on the server and on Nas Synology with the same name and password but it still gives me the error, please help me. Thank you very much !

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  10. But... is this a bug, or a feature? bc feels weird. Also, im totally missing option to save selected folders as zip (even with zero compression, but helps transfer to network shares, much easier to transfer a single large file, than thousands of small bc of transfer overhead /file meta data for each small file, etc/)

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  11. Worked perfect on Windows Server 2012 R2. Thank you so much.

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