Fix the specified user does not exist error in Windows Server

Tashreef Shareef
by Tashreef Shareef
Windows & Software Expert
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Sometimes while trying to connect to a specific server on your Windows server machine, the request may fail with an error. One such error is “the specified user does not exist, verify the username ad try logging in again. If the problem continues, contact your system administrator or technical support”. This error can occur due to many reasons including faulty Windows updates as reported by other users in the Microsoft Technet forums.

when exporting to AD destination (active directory server installed on windows server 2003) i get the following error messages for CNswhich are groups:
“DN-attributes failure – The specified user does not exist”
Connected data source error code 1317
Connected data source error: The spcified user does not exist
also in the connector space object properties for those objects i can see in “pending export tab” the info:
modification type update
object type group

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Follow the steps in this article to troubleshoot the specified user does not exist error in Windows Server systems.

How to Fix the specified user does not exist

1. Check for NAS for Permissions

the specified user does not exist

  1. If the error is occurring while trying to set up backup to disk folders in backup exec, you may want to check if the appropriate permissions are given to the folder on the NAS.
  2. Similar to EMC, you need to specify folder permissions on the NAS folder itself to make it work without any error.
  3. Check the resources related to Exec Backup to check for the required permissions.

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2. Specify the User for the Service

the specified user does not exist

  1. One of the obvious yet common mistakes people do is not specify the username for the service accounts in form of domain/username where you had the username.
  2. When the server fails to find the username for the account, it will show the specified user does not exist error.
  3. To fix this, check if you have specified username for the service accounts and then check for any improvements.

3. Delete and Create a New Account

the specified user does not exist

  1. If the error on the login level, you may want to create a new user account with administrator rights.
  2. Make sure you use a different variation of your first name to create the new account. Using the same name as the old one may not resolve the issue completely.
  3. After creating a new account and signing in, make sure add yourself to some groups in AD to access to necessary things.
  4. If the error occurs again, remove your account from all the non-essential groups one by one and try to login in between. The issue can be due to one of the groups that you are a member of.

4. Clear Windows Password Vault

the specified user does not exist

  1. If you save all of your credentials with Windows Password Vault / Credential Manager, try to remove all the credentials related to the server.
  2. Now try to login again and Windows server will ask you enter the password. Make sure you don’t select save password option this time.
  3. Manually entering the credentials should help you resolve the specified user does not exist error.

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