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Additional Windows Live Messenger PIC/Federation IP Addresses
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 IP addresses, as referenced in Microsoft KB...
6 Dec 2012
Federation and/or PIC may fail against partners using 2048-bit signed Root CAs
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 server's certificate -> Entrust...
14 Jul 2009
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;...
1 Jul 2009
RESOLVED - Federation with Microsoft is down (aka: "It's not you, it's me.")
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 2 (9pm, Eastern): Huge thanks to the RTC...
7 Apr 2009
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