Trusted Relationship with Domain help

My DC server crashed and the backup failed (windows 2008R2).  My secondary DC is on a Windows 2003 server.  I built the Windows R2 machine back from scratch and I reestablish it as the primary DC.  I had to remove all of the PC user's off the domain and then add it back because I was experience "Trust Relationship Issues with the primary domain".  This worked and all my local users are on and working just fine.  My remote locations I'm attempting to remote desktop and it is giving me the "trust relationship" error so I printed notes for my workers there to take it off the domain and re-add it back to the domain.  They got to the point of re-adding it back to the domain and they get the "trust relationship" error.  Any thoughts on how to add them back to the primary domain controller?
RCL_BurcoAsked:
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tmoore1962Commented:
Check your FSMO roles you will probably have to force the roles to the existing domain controller,
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Will SzymkowskiSenior Solution ArchitectCommented:
I built the Windows R2 machine back from scratch and I reestablish it as the primary DC.  I had to remove all of the PC user's off the domain and then add it back because I was experience "Trust Relationship Issues with the primary domain"

What the heck were you doing? How did you restore the 2008 DC? Do you still have the 2003 DC in play? depending on how you recovered the DC back into the environment this is probably what is causing the issue. Btw it is not a good practice to remove/add machines back into the domain to resolve a trust issue.

Depending on what you have done, it appears that you have not properly transferred or seized the roles to the 2003 DC, rebuild a new 2008 DC allow it to replicate from the 2003 DC and transfer the FSMO roles back.

I would run the below commands...
dcdiag /v
repadmin /replsum
repadmin /showrepl
repadmin /bridgeheads

Netdom query dc
Netdom query fsmo

Also ensuring that your clients are pointing to the proper DNS servers.

Will.
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