Device Object ID cache reached the limit 20000, trim it down to 10000~~ $$<SMS_AZUREAD_DISCOVERY_AGENT><04-09-2020 14:43:28.415+240><thread=20556 (0x504C)>
ERROR: System.InvalidOperationException: Collection was modified; enumeration operation may not execute.~~ at System.ThrowHelper.ThrowInvalidOperationException(ExceptionResource resource)~~ at System.Collections.Generic.Dictionary`2.Enumerator.MoveNext()~~ at Microsoft.ConfigurationManager.AzureADDiscovery.Coll2AADGroupSync.CacheDeviceObjectID(Guid DeviceID, Guid DeviceObjectID, Dictionary`2& DeviceIDObjectIDMapping)~~ at Microsoft.ConfigurationManager.AzureADDiscovery.Coll2AADGroupSync.DeviceIdToDeviceObjectId(HttpClient httpClient, Guid DeviceID, Dictionary`2& DeviceIDObjectIDMapping, DateTime& CacheStartTime)~~ at Microsoft.ConfigurationManager.AzureADDiscovery.Coll2AADGroupSync.DoSync(Int32 cloudServiceId, Dictionary`2& DeviceIDObjectIDMapping, DateTime& CacheStartTime)~~ $$<SMS_AZUREAD_DISCOVERY_AGENT><04-09-2020 14:43:28.417+240><thread=20556 (0x504C)>
ERROR: Sync failed.~~ $$<SMS_AZUREAD_DISCOVERY_AGENT><04-09-2020 14:43:28.419+240><thread=20556 (0x504C)>
Collection to AAD group sync worker ends.~~ $$<SMS_AZUREAD_DISCOVERY_AGENT><04-09-2020 14:43:28.422+240><thread=20556 (0x504C)>