Hi. Exchange 2016. Last CU last SU. On-premise.
I got error:




The Microsoft Exchange Mailbox Replication service was unable to synchronize Active Directory data with the request.
DB:b9b032e6-a637-4823-97af-1de4c181b561
RequestType:FolderMove
RequestGuid:
Failure:
MapiExceptionRecoveryMDBMismatch: Unable to open message store. (hr=0x80004005, ec=1165)
Diagnostic context:
Lid: 55847 EMSMDBPOOL.EcPoolSessionDoRpc called [length=145]
Lid: 43559 EMSMDBPOOL.EcPoolSessionDoRpc returned [ec=0x0][length=326][latency=0]
Lid: 52176 ClientVersion: 15.1.2507.39
Lid: 50032 ServerVersion: 15.1.2507.6039
Lid: 35180
Lid: 23226 --- ROP Parse Start ---
Lid: 27962 ROP: ropLogon [254]
Lid: 17082 ROP Error: 0x48D
Lid: 26937
Lid: 21921 StoreEc: 0x48D
Lid: 27962 ROP: ropExtendedError [250]
Lid: 1494 ---- Remote Context Beg ----
Lid: 44410 StoreEc: 0x8004010F
Lid: 36892 StoreEc: 0x8004010F
Lid: 57721 StoreEc: 0x8004010F
Lid: 61692 StoreEc: 0x8004010F
Lid: 50608
Lid: 45768 StoreEc: 0x48D
Lid: 56872 dwParam: 0xFE
Lid: 42712 StoreEc: 0x48D
Lid: 45434 Guid: ed2d5550-2625-4b8e-8f62-8d081c0d543c
Lid: 10786 dwParam: 0x0 Msg: 15.01.2507.039:MS-EX03:b9b032e6-a637-4823-97af-1de4c181b561
Lid: 1750 ---- Remote Context End ----
Lid: 27962 ROP: ropGetPropsSpecific [7]
Lid: 26881
Lid: 21817 ROP Failure: 0x48D
Lid: 46042 StoreEc: 0x48D
Lid: 32441
Lid: 1706 StoreEc: 0x48D
Lid: 24761
Lid: 20665 StoreEc: 0x48D
Lid: 25785
Lid: 29881 StoreEc: 0x48D
Stack trace:
at Microsoft.Mapi.MapiExceptionHelper.InternalThrowIfErrorOrWarning(String message, Int32 hresult, Boolean allowWarnings, Int32 ec, DiagnosticContext diagCtx, Exception innerException)
at Microsoft.Mapi.MapiExceptionHelper.ThrowIfError(String message, Int32 hresult, IExInterface iUnknown, Exception innerException)
at Microsoft.Mapi.ExRpcConnection.OpenMsgStore(OpenStoreFlag storeFlags, String mailboxDn, Guid mailboxGuid, Guid mdbGuid, String& correctServerDn, ClientIdentityInfo clientIdentityAs, String userDnAs, String applicationId, Byte[] tenantHint, CultureInfo cultureInfo)
at Microsoft.Mapi.MapiStore.OpenMapiStore(String serverDn, String userDn, String mailboxDn, Guid guidMailbox, Guid guidMdb, String userName, String domainName, String password, String httpProxyServerName, ConnectFlag connectFlags, OpenStoreFlag storeFlags, CultureInfo cultureInfo, Boolean wantRedirect, String& correctServerDN, ClientIdentityInfo clientIdentity, String applicationId, Client xropClient, Boolean wantWebServices, Byte[] clientSessionInfo, TimeSpan connectionTimeout, TimeSpan callTimeout, Byte[] tenantHint)
at Microsoft.Mapi.MapiStore.OpenMailbox(String serverDn, String userDn, Guid guidMailbox, Guid guidMdb, String userName, String domainName, String password, ConnectFlag connectFlags, OpenStoreFlag storeFlags, CultureInfo cultureInfo, WindowsIdentity windowsIdentity, String applicationId, TimeSpan connectionTimeout, TimeSpan callTimeout, Byte[] tenantPartitionHint)
at Microsoft.Exchange.MailboxReplicationService.MapiUtils.GetSystemMailbox(Guid mdbGuid, DatabaseInformation db, String dcName, NetworkCredential cred, Boolean allowCrossSiteLogon)
at Microsoft.Exchange.MailboxReplicationService.MapiHandler.OpenStore(RequestIndexLocation indexLocation, Guid databaseGuid, Guid mailboxGuid, TenantPartitionHint tenantHint)
at Microsoft.Exchange.MailboxReplicationService.MapiHandler.<ReadIndexEntries>d__2.MoveNext()
at Microsoft.Exchange.MailboxReplicationService.MapiHandler.<FindPagedInternal>d__6.MoveNext()
at Microsoft.Exchange.MailboxReplicationService.RequestIndexEntryHandler`1.RemoveStaleEntries(IEnumerable`1 entries, RequestIndexEntryProvider requestIndexEntryProvider)
at Microsoft.Exchange.MailboxReplicationService.ADInconsistencyCheck.CleanMapiDatabaseOrphan(MRSRequestType requestType, RequestJobProvider rjProvider, Guid dbGuid)
at Microsoft.Exchange.MailboxReplicationService.ADInconsistencyCheck.<>c__DisplayClass39_2.<CleanADOrphanAndInconsistencyForRequests>b__0()
at Microsoft.Exchange.MailboxReplicationService.CommonUtils.ProcessKnownExceptionsWithoutTracing(Action actionDelegate, FailureDelegate processFailure)
I don't understand the cause of the error and can't find any information about this event id.
Update: This is a recovery database. Maybe it should be given some flag so that Exchange does not process it ?
