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error 1789

About this tag
Error 1789 occurs when using the LookupAccountName function on computers running Windows 7 or Windows Server 2008 R2 that are part of a Windows 2000 domain. This issue is addressed by a Microsoft hotfix (KB976494) that resolves the lookup failure. The error typically arises in environments with mixed domain controller versions, where the function cannot retrieve account information. Applying the update restores proper account name resolution. This tag covers troubleshooting and resolution steps for error 1789 in Windows 7 and Windows Server 2008 R2 systems.
  1. News

    Error 1789 when you use the LookupAccountName function on a computer that is running Windows 7 or Wi

    Fixes an error message when you call the LookupAccountName function on a computer that is running Windows 7 or Windows Server 2008 R2. This issue affects computers that are on a Windows 2000 domain. More...
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    • Thread
    • computer domain error 1789 fix function issues lookupaccountname message support update windows 2000 windows 7 windows server
    • Replies: 0
    • Forum: Knowledge Base (KB)
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