The Microsoft Instant Messaging database component returned error ‘Invalid Database Version’ (-1209). The database version does not match with the database engine version.

Details
Product:	Exchange
Event ID:	36878
Source:	MSExchangeIM
Version:	6.0
Component:	Instant Messaging Service
Symbolic Name:	MSG_DBASE_JET_INVALID_DATABASE_VERSION
Message:	The Microsoft Instant Messaging database component returned error ‘Invalid Database Version’ (-1209). The database version does not match with the database engine version.

User Action
Reinstall Microsoft Instant Messaging.