Exchange Outlook Web App and OCS 2007 R2 integration
I don't know if everyone knows about this feature, but for me i think this is one of the coolest integration features in OCS 2007 R2 and Exchange 2010.
The concept is to integrate outlook web App with office communications Server 2007 R2 for presence and instant messaging, which means that users using Outlook web App will have The ability to provision their presence and use a built-in instant messaging system to chat with other OCS users, in addition to the basic Outlook Web App features. Isn't cool!
Let's get started and see how this can be accomplished.
OCS 2007 R2 Clients cannot connect to Lync Server due to authentication Service incompatibility
After migrating to Lync 2010 server some of my client users where not able to log in using OCS 2007 R2 clients due an incompatibility in the Authentication Service version.
I have checked the OCS 2007 R2 client logs, by browsing to %userprofile%\tracing\Communicator-uccapi-0.uccapilog and noticed the following error
010/08/2010|11:51:55.781 E0C:14A8 INFO :: SIP/2.0 401 Unauthorized
