Microsoft Device Pending Management alert Operations Manager Object reference not set to an instance of an object



Masalah /Issue : Microsoft Device Pending Management keluarkan error Operations Manager dengan status Object reference not set to an instance of an object




Date: 11/1/2016 6:05:09 PM
Application: Operations Manager
Application Version: 7.1.10226.1177
Severity: Error
Message: 
System.NullReferenceException: Object reference not set to an instance of an object.
   at Microsoft.EnterpriseManagement.Mom.Internal.UI.Cache.PendingManagementNetworkDevicesQuery.DoQuery(String criteria)
   at Microsoft.EnterpriseManagement.Mom.Internal.UI.Cache.Query`1.DoQuery(String criteria, Nullable`1 lastModified)
   at Microsoft.EnterpriseManagement.Mom.Internal.UI.Cache.Query`1.FullUpdateQuery(CacheSession session, IndexTable& indexTable, Boolean forceUpdate, DateTime queryTime)
   at Microsoft.EnterpriseManagement.Mom.Internal.UI.Cache.Query`1.InternalSyncQuery(CacheSession session, IndexTable indexTable, UpdateReason reason, UpdateType updateType)
   at Microsoft.EnterpriseManagement.Mom.Internal.UI.Cache.Query`1.InternalQuery(CacheSession session, UpdateReason reason)
   at Microsoft.EnterpriseManagement.Mom.Internal.UI.Cache.Query`1.TryDoQuery(UpdateReason reason, CacheSession session)

   at Microsoft.EnterpriseManagement.Mom.Internal.UI.Console.ConsoleJobExceptionHandler.ExecuteJob(IComponent component, EventHandler`1 job, Object sender, ConsoleJobEventArgs args)

Mengapa terjadi: Masalah ini terjadi disebabkan cache file menjadi besar dan jadikan untuk kecialkan saiz dalam disk.



Penyelesaian/solution: Use this method to open the Operations console if you experience errors trying to retrieve data in views, such as ObjectNotFoundExceptions, or when the cache file grows too large and you want to reduce its size on disk.To clear the cache for agent / console

Bagaimana /what steps to solve:

Open the Operations console with the /clearcache parameter.( by using powershell command)
"C:\Program Files\System Center Operations Manager 2012\Console\Microsoft.EnterpriseManagement.Monitoring.Console.exe" /clearcache







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