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When you took it out of the domain, did you delete the computer in the Computer OU?<br />
If not you might try that again, join it to WORKGROUP, login as local administrator. &nbsp;Remove it from Ad on your computer and the rejoin it to your domain.<br />
Just a thought,<br />

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When you took it out of the domain, did you delete the computer in the Computer OU?
If not you might try that again, join it to WORKGROUP, login as local administrator.  Remove it from Ad on your computer and the rejoin it to your domain.
Just a thought,


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Do you see any event in the eventlogs on a domain controller concerning this computer? Or on the computer itself? Try renaming the computername (if you did not tried it before :-)) 
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Do you see any event in the eventlogs on a domain controller concerning this computer? Or on the computer itself? Try renaming the computername (if you did not tried it before :-))

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One other question, is this a Small Business Server domain?<br />
<br />
-saige-
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One other question, is this a Small Business Server domain?

-saige-

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There was another computer with the same name on the network.
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There was another computer with the same name on the network.

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I have a computer that keeps getting the following error message &quot;The trust relationship between this workstation and the primary domain failed&quot;. To fix this error I have to take the computer off of domain and rejoin the computer back to the domain. I have to do this every few days. What can be causing this problem and how can I fix it?
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I have a computer that keeps getting the following error message "The trust relationship between this workstation and the primary domain failed". To fix this error I have to take the computer off of domain and rejoin the computer back to the domain. I have to do this every few days. What can be causing this problem and how can I fix it?

Unable to logon to domain

This topic area includes legacy versions of Windows prior to Windows 2000: Windows 3/3.1, Windows 95 and Windows 98, plus any other Windows-related versions including Windows Mobile.

Windows OS

Transmission Control Protocol/Internet Protocol (TCP/IP) is the set of networking protocols that define end-to-end connectivity specifying how data should be packeted, addressed, transmitted, routed and received at the destination. This functionality is organized into four abstraction layers which are used to sort all related protocols according to the scope of networking involved.

TCP/IP

Active Directory (AD) is a Microsoft brand for identity-related capabilities. In the on-premises world, Windows Server AD provides a set of identity capabilities and services, and is hugely popular (88% of Fortune 1000 and 95% of enterprises use AD). This topic includes all things Active Directory including DNS, Group Policy, DFS, troubleshooting, ADFS, and all other topics under the Microsoft AD and identity umbrella.