Hi, After we shut down the server (for few times lately) when we try the search in OWA we getting the message as in the title. We are using Exchange 2010 SP 2 Rollup 2. we try the article in: http://social.technet.microsoft.com/Forums/en-US/exchange2010/thread/ddad5deb-327c-48e0-8a3a-7687cd551bbb but nothing help, any suggestion. it start before when we been on SP 1 Rollup 5 than we move to SP 2 Rollup 2 and it was OK till the next time we had to shut down and start our server again.