There are two types of retention policies: Exchange Online Retention policies and the Compliance Retention policies. In this two-part article series, I provide suggestions and tactics to help you tro...
Updated Feb 27, 2023
Version 2.0
Blog Post
What do you do if the Output of the mailboxdiagnosticlogs show the MailBoxLog has not run in almost a year (even though we have restarted the MRM with -fullcrawl) and you have an exception like below, note the date I run this is 11/23/2023 but it shows old log date.
MailboxLog : 1/31/2023 5:52:09 PM;method:InvokeInternalAssistant;file:D:\dbs\sh\utff\0127_071253_0\cmd\1d\sources\Dev\
MailboxAssistants\src\Assistants\ELC\ELCAssistant.cs:1098
Exception:
Microsoft.Exchange.WorkloadManagement.ResourceUnhealthyException: Resource
'MdbAvailability(Guid:a1843c23-a540-4104-9dd7-ba8dc094cd62 Name:NAMPR06DG200-db101)' is unhealthy and
shouldn't be accessed.
at
Microsoft.Exchange.MailboxAssistants.Assistants.ELC.ELCHealthMonitor.InternalThrottleStoreCall(List`1
archiveResourceDependencies)
at Microsoft.Exchange.MailboxAssistants.Assistants.ELC.ElcSubAssistant.ThrottleStoreCallAndCheckForShu
tdown(IExchangePrincipal mailboxOwner, List`1 archiveResourceDependencies)
at Microsoft.Exchange.MailboxAssistants.Assistants.ELC.ExpirationTagEnforcer.<>c__DisplayClass46_0.<Co
llectItemsMarkedForExpiration>b__0(IQueryResult queryResults)
at Microsoft.Exchange.Data.Storage.AllItemsFolderHelper.RunQueryOnAllItemsFolder[T](IStoreSession
session, QueryFilter queryFilter, SupportedSortBy supportedSortBy, DoQueryProcessing`1 queryProcessor,
ICollection`1 properties, ItemQueryType itemQueryType)
at Microsoft.Exchange.MailboxAssistants.Assistants.ELC.ExpirationTagEnforcer.CollectItemsMarkedForExpi
ration(IMailboxSession session)
at Microsoft.Exchange.MailboxAssistants.Assistants.ELC.ExpirationTagEnforcer.<>c__DisplayClass42_0.<Co
llectItemsToExpire>b__0()
at Microsoft.Mapi.ExRpcConnection.ExecuteWithPrivilege(ExRpcConnectionPrivilege privilege, Action
action)
at Microsoft.Mapi.MapiStore.ExecuteWithNonLocalReplicaAccess(Action action)
at Microsoft.Exchange.Data.Storage.MapiAccessor.ExecuteWithNonLocalReplicaAccessElevation(Action
actionDelegate)
at Microsoft.Exchange.Data.Storage.StoreSession.ExecuteWithNonLocalReplicaAccessElevation(Action
actionDelegate)
at Microsoft.Exchange.MailboxAssistants.Assistants.ELC.ExpirationTagEnforcer.CollectItemsToExpire(IMai
lboxSession session)
at Microsoft.Exchange.MailboxAssistants.Assistants.ELC.ExpirationTagEnforcer.Invoke()
at
Microsoft.Exchange.MailboxAssistants.Assistants.ELC.TagEnforcerManager.InvokeInternal(MailboxDataForTags
mailboxDataForTags, IAnalyticsClient analyticsClient)
at Microsoft.Exchange.MailboxAssistants.Assistants.ELC.TagEnforcerManager.Invoke(MailboxDataForTags
mailboxDataForTags, IAnalyticsClient analyticsClient)
at
Microsoft.Exchange.MailboxAssistants.Assistants.ELC.ElcTagSubAssistant.InvokeInternal(MailboxSession
mailboxSession, MailboxDataForTags mailboxDataForTags, IAnalyticsClient analyticsClient)
at Microsoft.Exchange.MailboxAssistants.Assistants.ELC.ElcTagSubAssistant.Invoke(MailboxSession
mailboxSession, MailboxDataForTags mailboxDataForTags, IAnalyticsClient analyticsClient)
at Microsoft.Exchange.MailboxAssistants.Assistants.ELC.ELCAssistant.InvokeCore(MailboxSession
mailboxSession, List`1 customDataToLog, StatisticsLogEntry logEntry, ElcParameters parameters,
IElcAssistantSnapshot snapshot, IAnalyticsClient elcAnalytics)
at Microsoft.Exchange.MailboxAssistants.Assistants.ELC.ELCAssistant.<>c__DisplayClass31_0.<InvokeInter
nalAssistant>b__1()
at Microsoft.Exchange.Common.IL.ILUtil.DoTryFilterCatch(Action tryDelegate, Func`2 filterDelegate,
Action`1 catchDelegate)
Lyle