OCS 2007 R2 Federation may fail against Lotus Sametime

  Summary: Using Microsoft Office Communications Server 2007 R2, Federation may fail against organizations that are using Lotus Sametime.   Resolution: IBM has a hotfix which addresses this issue within Lotus Sametime.   More Information: Please refer the following IBM support document; Ref #1389588  


RESOLVED – OCS 2007 R2 PIC fails against AOL

  Issue:   Microsoft Office Communicator 2007 R2 in conjunction with Office Communications Server 2007 R2 would intermittently fail to communicate with AOL AIM clients via PIC.  Note that this would only reproduce if your OCS 2007 R2 Edge role is running Windows Server 2008 (x64); not Windows Server 2003 (x64).     Resolution:   Essentially, it…