>> Could anyone tell us the standard recovery procedure >> when exchange crash entirely? Wang, There is a procedure that is well documented within Microsoft documentation. Here is a web URL to that documentation: http://www.microsoft.com/technet/treeview/default.asp?url=/TechNet/prodtechnol/exchange/support/dbrecovr.asp And here is another document that is good to have: http://www.microsoft.com/Exchange/techinfo/deployment/2000/E2Krecovery.asp Thanks, Del ---------------------------------------------------- Del Hoobler Del Hoobler IBM Corporation hoobler AT us.ibm DOT com "It's a beautiful day. Don't let it get away." -- Bono