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Exchanger Server 2007 OWA connection problems

Our email server has stopped allowing users to connect via OWA (either through Outlook or the web interface). All services appear to be running fine and nothing else has changed on the server.

I am getting the following error log (with domain/ip address removed). Any suggestions?


Request
Url: https://myremotedomain:443/owa/default.aspx
User host address: xx.xxx.xxx.xx

Exception
Exception type: Microsoft.Exchange.Data.Storage.ConnectionFailedTransientException
Exception message: Cannot open mailbox /o=ARENATV/ou=first administrative group/cn=Recipients/cn=Administrator.

Call stack

Microsoft.Exchange.Data.Storage.ConnectionCachePool.OpenMailbox(String serverDn, String userDn, String mailboxDn, Guid mailboxGuid, Guid mdbGuid, Object identity, ConnectFlag connectFlag, OpenStoreFlag openStoreFlag, CultureInfo cultureInfo, String clientInfoString, Boolean secondTry)
Microsoft.Exchange.Data.Storage.ConnectionCachePool.OpenMailbox(String serverDn, String userDn, String mailboxDn, Guid mailboxGuid, Guid mdbGuid, Object identity, ConnectFlag connectFlag, OpenStoreFlag openStoreFlag, CultureInfo cultureInfo, String clientInfoString, Boolean secondTry)
Microsoft.Exchange.Data.Storage.ConnectionCachePool.OpenMailbox(String serverDn, String userDn, String mailboxDn, Guid mailboxGuid, Guid mdbGuid, Object identity, ConnectFlag connectFlag, OpenStoreFlag openStoreFlag, CultureInfo cultureInfo, String clientInfoString)
Microsoft.Exchange.Data.Storage.MailboxSession.Initialize(LogonType logonType, ExchangePrincipal owner, DelegateLogonUser delegateUser, Object identity, OpenMailboxSessionFlags flags)
Microsoft.Exchange.Data.Storage.MailboxSession.CreateMailboxSession(LogonType logonType, ExchangePrincipal owner, DelegateLogonUser delegateUser, Object identity, OpenMailboxSessionFlags flags, CultureInfo cultureInfo, String clientInfoString)
Microsoft.Exchange.Data.Storage.MailboxSession.Open(ExchangePrincipal mailboxOwner, WindowsPrincipal authenticatedUser, CultureInfo cultureInfo, String clientInfoString)
Microsoft.Exchange.Clients.Owa.Core.OwaWindowsIdentity.CreateMailboxSession(ExchangePrincipal exchangePrincipal, CultureInfo cultureInfo)
Microsoft.Exchange.Clients.Owa.Core.UserContext.Load(OwaContext owaContext)
Microsoft.Exchange.Clients.Owa.Core.RequestDispatcher.CreateUserContext(OwaContext owaContext, UserContextKey userContextKey, UserContext& userContext)
Microsoft.Exchange.Clients.Owa.Core.RequestDispatcher.PrepareRequestWithoutSession(OwaContext owaContext, UserContextCookie userContextCookie)
Microsoft.Exchange.Clients.Owa.Core.RequestDispatcher.InternalDispatchRequest(OwaContext owaContext)
Microsoft.Exchange.Clients.Owa.Core.RequestDispatcher.DispatchRequest(OwaContext owaContext)
System.Web.HttpApplication.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)

Inner Exception
Exception type: Microsoft.Mapi.MapiExceptionLogonFailed
Exception message: MapiExceptionLogonFailed: Unable to open message store. (hr=0x80040111, ec=-2147221231) Diagnostic context: Lid: 18969 EcDoRpcExt2 called [length=1025] Lid: 27161 EcDoRpcExt2 returned [ec=0x0][length=132][latency=1] Lid: 23226 --- ROP Parse Start --- Lid: 27962 ROP: ropLogon [254] Lid: 17082 ROP Error: 0x80040111 Lid: 26937 Lid: 21921 StoreEc: 0x80040111 Lid: 27962 ROP: ropExtendedError [250] Lid: 1494 ---- Remote Context Beg ---- Lid: 26426 ROP: ropLogon [254] Lid: 22787 Error: 0x0 Lid: 13032 StoreEc: 0x8004010F Lid: 59409 Lid: 45073 Lid: 11173 StoreEc: 0x80040111 Lid: 22970 Lid: 8620 StoreEc: 0x80040111 Lid: 1750 ---- Remote Context End ---- Lid: 26849 Lid: 21817 ROP Failure: 0x80040111 Lid: 26297 Lid: 16585 StoreEc: 0x80040111 Lid: 32441 Lid: 1706 StoreEc: 0x80040111 Lid: 24761 Lid: 20665 StoreEc: 0x80040111 Lid: 25785 Lid: 29881 StoreEc: 0x80040111

Call stack

Microsoft.Mapi.MapiExceptionHelper.ThrowIfError(String message, Int32 hresult, Int32 ec, DiagnosticContext diagCtx)
Microsoft.Mapi.ExRpcConnection.OpenMsgStore(OpenStoreFlag storeFlags, String mailboxDn, Guid mailboxGuid, Guid mdbGuid, MapiStore msgStorePrivate, String& correctServerDn, ClientIdentityInfo clientIdentityAs, String userDnAs, String applicationId, CultureInfo cultureInfo)
Microsoft.Mapi.ConnectionCache.OpenMapiStore(String mailboxDn, Guid mailboxGuid, Guid mdbGuid, ClientIdentityInfo clientIdentity, String userDnAs, OpenStoreFlag openStoreFlags, CultureInfo cultureInfo, String applicationId)
Microsoft.Mapi.ConnectionCache.OpenMailbox(String mailboxDn, Guid mailboxGuid, Guid mdbGuid, WindowsIdentity windowsIdentityAs, String userDnAs, OpenStoreFlag openStoreFlags, CultureInfo cultureInfo, String applicationId)
Microsoft.Exchange.Data.Storage.ConnectionCachePool.OpenMailbox(String serverDn, String userDn, String mailboxDn, Guid mailboxGuid, Guid mdbGuid, Object identity, ConnectFlag connectFlag, OpenStoreFlag openStoreFlag, CultureInfo cultureInfo, String clientInfoString, Boolean secondTry)
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chrisryan43
Asked:
chrisryan43
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1 Solution
 
Jian An LimCommented:
did your database still mount?

it seems it doesnt look like the root of the problem.

i think is the database corruption but just a quick guess.

if you think it is CAS, you can quickly reinstall CAS by re run the setup again.


mailbox server will be a bit tricky.


Also try to reboot the server first before any action.
maybe a reboot will fix your issues.

plan what you think it should and talk to others to make sure they think your plan is feasible.

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HeshamMousaCommented:
the error stats that the mailbox doesn't exist or log in failed for it, can you ensure that the mailbox is not disabled and the user can log in using his user name on any domain machine.
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chrisryan43Author Commented:
Thanks for the responses. The mailbox had indeed been dismounted and would fail when i tried to mount it without any useful error messages. When i looked at the file it was very very close to 40GB so i wondered if there was a limit on the folder size. A bit of googling around and i found that there was a registry change that adjusted the maximum database size (although i couldnt find what the default size should be). After making the change the mailbox instantly mounted (without any restarts or requests to mount) so i'm a bit suspicous if that actually fixed it. It was quite late at this point so didnt really care as long as it was working!)

So for the time being at least, its fixed!
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HeshamMousaCommented:
for exchange 2007 the mailbox is recommended (Not limited) to be 2 GB and 2010 to be 10 GB
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chrisryan43Author Commented:
I have now lost what the registry change was that i made. If i find it i will post it
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