Microsoft KB Archive/112214

= Trusting Domain Shows Trust Failure or "Account Unknown" =

Article ID: 112214

Article Last Modified on 10/31/2006

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APPLIES TO


 * Microsoft Windows NT Advanced Server 3.1

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This article was previously published under Q112214



SYMPTOMS
A trusting domain shows event log entries indicating trust failure. Or, a trusting domain doesn't grant appropriate access to accounts on the trusted domain, or displays accounts on the trusted account as "Account unknown."

NOTE: It is possible to add accounts from a trusted domain to ACLs or local groups even when a trust relationship is incomplete or broken because User Browser can obtain account lists that may work even though the trust relationship doesn't work.



CAUSE
Trust failure occurs when internal passwords are out of sync. This happens when:

One side of the trust relationship is deleted and then recreated after the trust relationship has gone through one or more automatic password changes.

  -or-

The "permit to trust" and "trust" sides of the relationship were initially set up with different passwords. User Manager for Domains can detect if this is the case if the "B permits A to trust" side was set up first, but not if the "A trusts B" side was set up first. (This is why the "B permits A to trust" side should be set up first, and one reason why User Manager for Domains sometimes warns that "the trust relationship could not be verified at this time" when the "A trusts B" side is set up.)



WORKAROUND
To work around this problem, check to see that both halves of the trust relationship exist (A must trust B, and B must permit A to trust). If both halves of the trust relationship exist, their internal passwords may be out of sync. If the internal passwords are out of sync, remove both halves, and then replace them. For information on doing this, see the chapter titled "User Manager for Domains" of the Windows NT "System Guide." It is recommended to add the "B permits A to trust" side of the trust relationship before the "A trusts B" side.

Additional query words: prodnt

Keywords: kbnetwork KB112214

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