The Exchange Database Task is failing after installing 7.3 (4229195)

The Exchange Database Task is failing after installing 7.3

The Exchange database task is failing after installing 7.3 with the following error:

Object reference not set to an instance of an object.. Ensure you are using correct credentials. If you are connecting to Exchange 2013, ensure that you are using MAPI & CDO version 6.5.8320.0 (released 2013-05-17).

Time:2014-06-27T06:46:39.9468096Z

Component:Internal Processing

HR:

EventID:{e4ae5340-3285-4bcc-881a-e667070e4773}


The following error occurred in trying to execute a given task: Quest.MessageStats.Runtime.MessageStatsException: Error in report pack data source execute ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at Quest.MessageStats.Runtime.QmsCoreManager.get_TaskCredentialPassword()
   at Quest.MessageStats.Runtime.PowerShellHelper.GetCurrentUserCredentials(IReportPackHost reportPackHost)
   at Quest.MessageStats.Exchange.Databases.ExchangeDatabasesSource.Quest.MessageStats.Exchange.Databases.IExchangeDatabasesSourceStubs.get_GatheringCredential()
   at Quest.MessageStats.Exchange.Databases.ExchangeDatabasesSource.GatherPowerShellData(IEnumerable`1& exchangeMailboxDatabases, IEnumerable`1& mailboxDatabaseCopyStatuses, IEnumerable`1& exchangePublicFolderDatabases)
   at Quest.MessageStats.Exchange.Databases.ExchangeDatabasesSource.Quest.MessageStats.Runtime.IReportPackDataSource.Execute()
   at Quest.MessageStats.Runtime.QmsCoreManager.Quest.MessageStats.Runtime.Interop.IQMSCoreManager.ExecuteTask()
   --- End of inner exception stack trace ---
   at Quest.MessageStats.Runtime.QmsCoreManager.Quest.MessageStats.Runtime.Interop.IQMSCoreManager.ExecuteTask()

Time:2014-06-27T06:46:39.96241Z

Component:Internal Processing

HR:

EventID:{4b988a19-8645-4031-b68d-c5fdeb5bffdd