http://192.168.2.20/blogs/doverton/archive/2009/01/29/outlook-anywhere-rpc-over-http-not-working-or-slow-with-sbs-2008.aspxI&rsquo;ve been working with the Microsoft support teams to diagnose non-connection and very slow syncing for someone who uses SBS. The team came up with a fix and while there is no KB article on this yet, below is a link to a workaround that made loggingenCommunityServer 2008.5 SP2 (Build: 40407.4157)http://192.168.2.20/blogs/doverton/archive/2009/01/29/outlook-anywhere-rpc-over-http-not-working-or-slow-with-sbs-2008.aspx#8084Thu, 05 Mar 2009 08:08:26 GMT72050d9c-4f41-4a16-9f70-ebbf2c98a2c7:8084Paul Dadge<p>Just to say I had this issue, with only 3 users using RPC. &nbsp;Applied the registry fix and problem resolved. &nbsp;I had put it down to a low specced server however all sorted now!</p> <div style="clear:both;"></div><img src="http://192.168.2.20/aggbug.aspx?PostID=8084" width="1" height="1">