Scott Oseychik

Summary: You may find that OCS 2007 / OCS 2007 R2's Federation and/or PIC fails against partners who do not support Entrust root certificates signed using a 2048-bit public key. For example, the "broken" certificate chain may resemble the following: Edge Read More...

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 Read More...

We're actively debugging this, and I'll update this post once we have this resolved. UPDATE (6pm, Eastern): We have identified the issue, and will be making changes this evening to rectify the issue. Things should be resolved by tomorrow morning. UPDATE Read More...

Notification In an effort to provide enhanced capacity and service reliance, Windows Live Messenger will soon be adding additional IP addresses used for PIC/Federation traffic. Some organizations have chosen to restrict this type of traffic to specific Read More...