service unavailable 503 Share on Facebook Post on reddit Tweet on Twitter Share on LinkedIn Home › Forums › Messaging Software › Exchange 2000 / 2003 › service unavailable 503 This topic has 12 replies, 4 voices, and was last updated 7 years, 6 months ago by swapneel. Viewing 1 post (of 1 total) Author Posts swapneelMember May 31, 2013 at 9:04 am #161630 Hi, We have Exchange 2003 SP2 and suddenly from Afternoon We facing a Error message While access OWA. We checked and tried to restart Exchange Information service Whenever We restart it works for few Minute but again problem comes. after checking this issue we found database size article and the Size is increased to 75GB. after restart same it works for few minute and again OWA not works checked with outlook users too but they cant connect to there mailboxes ! How can I check why this Service or mail store gets down,Please suggest in this. thanking you ! Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.