Topology Merge OCS R2 & Lync 2010

I just merged my topologies. Now communicator will not sign in. Any ideas what to check? Thanks!
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jbyrd1981Asked:
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Zaheer IqbalTechnical Assurance & ImplementationCommented:
Hi

Please explain a little more about your environment?

Have you decommissioned any of the servers ?
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jbyrd1981Author Commented:
No decommission. We have a fresh Lync 2010 setup and tried merging topologies with OCS 2007 R2. This is where the sign in problem started occurring. We actually logged traffic for the client and can see where it talks to the OCS pool then starts talking to the FE server for Lync and keeps doing this in a loop. Still not sure what is causing the lack of being able to sign in. If you are looking for any information in particular please let me know. Thanks!
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jbyrd1981Author Commented:
I am not sure if this was the solution 100% but it started working after doing this. Maybe it can help someone in the future. This was in our lab and none of the Server OSs were activated. Once I activated them, let WSUS update the machines, and rebooted... I did the merge again and published. I can now move legacy users to the Lync pool, OCS users can login again, and I can create new Lync users.
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jbyrd1981Author Commented:
Fixed my problem.
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