|Component:||Microsoft Exchange Extensible Storage Engine|
|Message:||<process name> (<process id>) <storage group name>Online defragmentation of database ‘<name>‘ terminated prematurely after encountering unexpected error <error code>. The next time online defragmentation is started on this database, it will resume from the point of interruption.|
Online defragmentation of a database ended prematurely after encountering an unexpected error. The next time online defragmentation is started on this database, it will resume from the point of interruption.
Event ID 705 generally indicates a problem with Information Store memory, or a problem with the ESE (Jet) database itself. There is more than one known cause for Event ID 705. Look at the Description section in Event ID 705, and the Description section in other ESE events and MSExchangeIS events in the application log. The following causes are the most common for Event ID 705.
Error -1069 (0xfffffbd3) = JET_errVersionStoreOutOfMemory in the description of MSExchangeIS events in the application log. In this case, contact Microsoft Product Support Services for help in troubleshooting this issue.
Here are resolution steps for Errors -327, -338 (table level corruption), and -1018 (Jet database level corruption).