Monday, March 9, 2009

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 897567.  With this in mind we want to give you advanced notice of our intended change if you have configured your enterprise network in this manner.

Please ensure your enterprise firewall configuration is updated with the full list of Windows Live Messenger addresses below on or before Friday, May 8, 2009.  Windows Live Messenger will NOT enable any of the additional IP addresses until on or after May 9th (Pacific Time) to ensure your services will not be disrupted by this change.

IP address for Windows Live Messenger PIC/Federation:

65.54.227.249

64.4.9.181

64.4.9.245

65.54.52.53

65.54.52.245

For more information please reference Microsoft KB 897567, or for further assistance, please engage Microsoft Customer Support Services via http://support.microsoft.com.

1 comment:

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Windows Live Messenger