Simptomi
Servis Microsoft Exchange Information Store (MSExchangeIS) povremeno prestaje reagirati, a zapisuje se sljedeći ID događaja 1002:
Unhandled exception (System.NullReferenceException: Object reference not set to an instance of an object.
at Microsoft.Exchange.Server.Storage.LogicalDataModel.SearchFolder.BaseViewOperatorDefinition(Context context, Mailbox mailbox, IList`1 columnsToFetch, SearchCriteria criteria, Nullable`1 associated)
at Microsoft.Exchange.Server.Storage.LogicalDataModel.SearchFolder.<DoSearchPopulation>d__210.MoveNext()
at Microsoft.Exchange.Protocols.MAPI.MapiViewMessage.<CreateMaterializedRestrictionAndPopulate>d__138.MoveNext()
at Microsoft.Exchange.Server.Storage.MapiDisp.MailboxTaskQueue.RunTaskStep(MailboxTaskContext mailboxTaskContext, QueueItem
Uzrok
Proces MSExchangeIS prestaje reagirati zbog neobrađene iznimke System.NullReferenceExceptions koja se generira više puta dnevno.
Rješenje
Da biste riješili taj problem, instalirajte sljedeće kumulativno ažuriranje:
Kumulativno ažuriranje 14 za Exchange Server 2019 ili novije kumulativno ažuriranje za Exchange Server 2019.