Exchange 2010 SP1 UM role error

 

Unified Communications Managed API 2.0 Redist x64

http://technet.microsoft.com/en-us/library/ff955650(EXCHG.80).aspx

Microsoft Speech Platform – Server Runtime

http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=24974

General Requirements:

http://technet.microsoft.com/en-us/library/ff742307.aspx