SIP/2.0 500 Server Internal Error after applying KB 2571546 Lync July 2011 Update

After applying Cumulative Update 3 for Lync (KB 2571546), users were unable to place or receive phone calls. In Lync, the error was ID 500 (source ID 239): The SIP Trace on the server showed: Start-Line: SIP/2.0 500 Server Internal Error ms-diagnostics: 5016;reason="Request handler threw an exception";source="(server).catapultsystems.com";appname="http%3A%2F%2Fwww.microsoft.com%2FLCS%2FOutboundRouting" I could not find any helpful information on…

SharePoint Zoning Issues

I’m not referring to the type of zoning that involves designating what type of development is permitted on tracts of land, although that’s a pretty good analogy for the error we saw in both SharePoint 2007 and SharePoint 2010 during the process of testing and validating an upgrade. The Error: "Customization has been disabled for…