Microsoft KB Archive/129858

= Error C00000BC When Changing Password in Trusted Domain =

PSS ID Number: 129858

Article Last Modified on 12/15/2003

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The information in this article applies to:


 * Microsoft Windows NT Workstation 3.5
 * Microsoft Windows NT Workstation 3.51
 * Microsoft Windows NT Server 3.5
 * Microsoft Windows NT Server 3.51

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This article was previously published under Q129858



SYMPTOMS
When you attempt to change your user password in a trusted domain using TCP/IP, the following error message appears:

Unable to change the password on this account (C00000BC).

Please consult your system administrator.



CAUSE
When changing password in trusted domain using TCP/IP, the workstation searches for <20> to find the primary domain controller (PDC). However, no domain controller registers <20>.

If the workstation issues a session setup to this NetBIOS name, the session request is rejected, and the error message above appears.

Because there is no application or server which registers <20>, this problem occurs only when WINS or DNS server resolves the NetBIOS name <20> to a valid IP-address because of an erroneous WINS or DNS entry.

This entry can be caused by a client naming their computer the same name as the domain name. This seems to cause an erroneous entry in the Wins database.



WORKAROUND
To resolve this problem, upgrade to Windows NT Workstation and Server version 4.0.

To work around this problem, do one of the following:


 * If you use WINS, delete the following entry: <20>
 * If you use DNS, delete the following entry:



STATUS
Microsoft has confirmed this to be a problem in Windows NT version 3.5. This problem was corrected in Windows NT Workstation or Server version 4.0.

Additional query words: prodnt pswd dhcp browser

Keywords: kbnetwork KB129858

Technology: kbWinNT350search kbWinNT351search kbWinNTS350 kbWinNTS350search kbWinNTS351 kbWinNTS351search kbWinNTsearch kbWinNTSsearch kbWinNTW350 kbWinNTW350search kbWinNTW351 kbWinNTW351search kbWinNTWsearch

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