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NT 4.0 Domain Trust Problem

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5 replies

by djrampant

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We have 3 domains that require complete trust (ie 2way). the domains are A, B and C. The trust is working fine between A and B, and also between B and C.

However when trying to establish the trust between A and C we can add domain C to trusting domains from DC A, and we can add domain A to the trusted domains from DC C.

But when we try and add domain A to the trusting domains from DC C we get the following error message "The user account already exists."

I have removed the trust from both sides and recreated it but this message still appears.

Any Ideas?

5 replies

by fromnaija

Since you are able to create a one-way trust between A & C, but not a two-way trust, I'll check that there is no user account that is duplicated in the two domains.

by djrampant

I have checked, and besides the built in Guest and administrator accounts there is no duplicated account.

by djrampant

I sorted this mtself in the end!
There was a computer account that was hidden. After removing this it was fine.

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