When the Altiris Client Message Dispatcher service starts it does not process any files in the EvtQueue folder. Many files come into the queue but none get processed. The only evidence that anything might be wrong are the following entries that may be seen in the NS log viewer:
The service is expecting a newer schema than what is currently stamped as the latest version in the DBSchema table.
Having verified via Symantec Installation Manager that SMP 7.1 SP1 MP1.1 and solutions were all installed correctly and there were no partial installations the following SQL was run against the database to insert the schema version that the dispatcher service was waiting for.
SMP 7.1 SP2 MP1.1