I have have had my SBS 2008 server running for about 2 months and every thing was working fine tell yesterday. I can no longer access the internal from internal LAN or web. I can access my OWA e-mail form the web and internal, I can connect remotely to any computer from the web and internal .I loged into the server and i can't access it for there eather. I get an http 500 internal server error. I checked IIS and every thing seems to look ok. But when I try to run the Shairpoint 3.0 Central Administration tool I also get an http 500 internal server error. any ideas?