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Windows 2000 Domain Controller Trusts May Not Work with LMCompatibilityLevel of 4 or 5
Article ID: 257646 - View products that this article applies to.
This article was previously published under Q257646
When you log on to a trusted domain, you may receive the following error message:
This error message can occur if the LMCompatibilityLevel setting is set to 4 or 5 on your domain controllers.
The trust relationship between the primary domain and the trusted domain failed.
To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/260910/EN-US/ )How to Obtain the Latest Windows 2000 Service Pack
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.
This problem was first corrected in Windows 2000 Service Pack 1.
For additional information about how to install Windows 2000 and Windows 2000 hotfixes at the same time, click the article number below to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/249149/EN-US/ )Installing Microsoft Windows 2000 and Windows 2000 Hotfixes