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Available in Spanish on HablaMOSS blog
The other day I wanted to run some test regarding Lync Server 2010 and SharePoint. Unfortunately, I found the next error message:
"Not Available: Failure occured while attemmpting to check the schema state. Please ensure Active Directory is reachable"
After some time pulling my hair out checking DNS settings, DC connections and so on I decided to check the official documentation.
Unfortunately, I found that I was wasting my time in something that was unsupported :(
"You cannot collocate any Exchange Unified Messaging (UM) component or SharePoint component with any Lync Server role."
Next time I will read the documentation first instead of doing experiments :) .
Héctor Calvarro Martín. SharePoint Dev/Core. Microsoft Support Escalation Engineer for EMEA
I installed sharepoint AFTER installing Lync. Still had some issues out of the box, mainly the port usage. I had to reset the sharepoint port to something different than port 80 so the Lync Control Panel would once again work.
As I stated I was doing some tests, I'm not a Lync expert but as I read in the documentation is not supported. So maybe tricking or changing things will work again but the documentation is pretty straight forward, Not Supported.
I'm afraid that you should keep that in mind, if you will have any kind of issues in the future.
How did you change the port on SharePoint? I did the same what you did and now I cannot access Lync Control Panel.