Event Type: Error
Event Source: EXOLEDB
Event Category: General
Event ID: 111
Time: 5:44:40 PM
Microsoft Exchange OLEDB was unable to do Schema propagation on MDB startup HRESULT = 0x80040e19.
If you have this event on Exchange server - go to system manager - Administrative groups - ..- folders
Right click and select view system folders
see if you have two schema-root folders - this may be cause of this error. Microsoft suggest to delete one (make sure you have backup!).