configuration is breaking every few hours with event ID 29181

Hi all! There is an issue that manifests with the following event ID: Event ID [29181]OpsMgr Management Configuration Service failed to execute 'SnapshotSynchronization' engine work item due to the following exception Microsoft.EnterpriseManagement.ManagementConfiguration.DataAccessLayer.DataAccessException: Data access operation failed   at Microsoft.EnterpriseManagement.ManagementConfiguration.DataAccessLayer.DataAccessOperation.ExecuteSynchronously(Int32 timeoutSeconds, WaitHandle stopWaitHandle) System.InvalidCastException: Specified cast is not valid.   at Microsoft.EnterpriseManagement.ManagementConfiguration.CmdbOperations.ManagedEntitySnapshotReadOperation.ReadData(SqlDataReader reader) When you have an invalidcastexception…

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EventID 29181, SnapshotSynchronization not taking place

Hello! For SCOM 2012 R2 UR+ if following error is logged every few minutes in the Operations Manager event log: OpsMgr Management Configuration Service failed to execute 'SnapshotSynchronization' engine work item due to the following exception Microsoft.EnterpriseManagement.ManagementConfiguration.DataAccessLayer.DataAccessException: Data access operation failed   at Microsoft.EnterpriseManagement.ManagementConfiguration.DataAccessLayer.DataAccessOperation.ExecuteSynchronously(Int32 timeoutSeconds, WaitHandle stopWaitHandle)   at Microsoft.EnterpriseManagement.ManagementConfiguration.CmdbOperations.CmdbDataProvider.GetConfigurationSnapshotNextBatch(SnapshotProcessWatermark watermark)   at Microsoft.EnterpriseManagement.ManagementConfiguration.Engine.TracingConfigurationDataProvider.GetConfigurationSnapshotNextBatch(SnapshotProcessWatermark watermark)   at Microsoft.EnterpriseManagement.ManagementConfiguration.Engine.SnapshotSynchronizationWorkItem.TransferData(SnapshotProcessWatermark initialWatermark)  …

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SDK service cannot be started anymore

If following events get logged into the Operations Manager Event Log: 26325 An authorization store exception was thrown in the System Center Data Access service. Exception message: Unable to perform the operation because of authorization store errors. 29181OpsMgr Management Configuration Service failed to execute 'AgentAssignment' engine work item due to the following exception System.ServiceModel.FaultException`1[Microsoft.EnterpriseManagement.Common.UnknownAuthorizationStoreException]: The…

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