Loss of Internet Connectivity After Installing 951748 and 951746

We have received reports of customers loosing Internet connectivity after installing MS08-037 (951748 and 951746).  This issue can occur on both the server and the clients.  This issue may occur when customers are running ZoneAlarm or Check Point Endpoint Security (previously named Check Point Integrity).  Our investigation so far has shown that no other customers are affected by this issue.

If you are encountering this issue please review the following:

Watch the post for updates as we uncover more information.

Update: Please see the following post with newly discovered information that could affect your SBS servers