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Event ID 4001

Yesterday I received the below error message and Exchange took itself offline. I had to reboot to fix the problem but am still trying figure out why it happened. any ideas?

Event Type:      Error
Event Source:      MSExchange System Attendant Mailbox
Event Category:      General
Event ID:      4001
Date:            1/14/2008
Time:            4:52:34 PM
User:            N/A
Computer:      COLSVRMAIN01
Description:
A transient failure has occurred. The problem may resolve itself in a while. The service will retry in 56 seconds. Diagnostic information:

Cannot open mailbox /o=COLLAGES/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Configuration/cn=Servers/cn=COLSVRMAIN01/cn=Microsoft System Attendant.
Microsoft.Exchange.Data.Storage.ConnectionFailedTransientException: Cannot open mailbox /o=COLLAGES/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Configuration/cn=Servers/cn=COLSVRMAIN01/cn=Microsoft System Attendant. ---> Microsoft.Mapi.MapiExceptionNetworkError: MapiExceptionNetworkError: Unable to make connection to the server. (hr=0x80040115, ec=-2147221227)
Diagnostic context:
......
Lid: 10648 dwParam: 0x6D9 Msg: EEInfo: Generating component: 2
Lid: 14744 dwParam: 0x6D9 Msg: EEInfo: Status: 1753
Lid: 9624 dwParam: 0x6D9 Msg: EEInfo: Detection location: 501
Lid: 13720 dwParam: 0x6D9 Msg: EEInfo: Flags: 0
Lid: 11672 dwParam: 0x6D9 Msg: EEInfo: NumberOfParameters: 4
Lid: 8856 dwParam: 0x6D9 Msg: EEInfo: prm[0]: Unicode string: ncacn_ip_tcp
Lid: 8856 dwParam: 0x6D9 Msg: EEInfo: prm[1]: Unicode string: colsvrmain01.collages.local
Lid: 12952 dwParam: 0x6D9 Msg: EEInfo: prm[2]: Long val: -1527653632
Lid: 15000 dwParam: 0x6D9 Msg: EEInfo: prm[3]: Pointer val: 0x0x04626250 (UnknownPtag)
Lid: 19778
Lid: 27970 StoreEc: 0x80040115
Lid: 17730
Lid: 25922 StoreEc: 0x80040115
at Microsoft.Mapi.MapiExceptionHelper.ThrowIfError(String message, Int32 hresult, Int32 ec, DiagnosticContext diagCtx)
at Microsoft.Mapi.ExRpcConnection.Create(ConnectionCache connectionCache, ExRpcConnectionCreateFlag createFlags, ConnectFlag connectFlags, String serverDn, String userDn, String user, String domain, String password, String httpProxyServerName, Int32 ulConMod, Int32 lcidString, Int32 lcidSort, Int32 cpid, Int32 cReconnectIntervalInMins, Int32 cbRpcBufferSize, Int32 cbAuxBufferSize)
at Microsoft.Mapi.ConnectionCache.OpenMapiStore(String mailboxDn, Guid mailboxGuid, Guid mdbGuid, ClientIdentityInfo clientIdentity, String userDnAs, OpenStoreFlag openStoreFlags, CultureInfo cultureInfo, String applicationId)
at Microsoft.Mapi.ConnectionCache.OpenMailbox(String mailboxDn, Guid mailboxGuid, Guid mdbGuid, WindowsIdentity windowsIdentityAs, String userDnAs, OpenStoreFlag openStoreFlags, CultureInfo cultureInfo, String applicationId)
at 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)
--- End of inner exception stack trace ---
at 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)
at 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)
at 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)
at Microsoft.Exchange.Data.Storage.MailboxSession.Initialize(LogonType logonType, ExchangePrincipal owner, ADOrgPerson delegateUser, Object identity, OpenMailboxSessionFlags flags)
at Microsoft.Exchange.Data.Storage.MailboxSession.CreateMailboxSession(LogonType logonType, ExchangePrincipal owner, ADOrgPerson delegateUser, Object identity, OpenMailboxSessionFlags flags, CultureInfo cultureInfo, String clientInfoString)
at Microsoft.Exchange.Data.Storage.MailboxSession.OpenAsAdmin(ExchangePrincipal mailboxOwner, CultureInfo cultureInfo, String clientInfoString)
at Microsoft.Exchange.Servicelets.SystemAttendantMailbox.Servicelet.Work()

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.

Tommy

jlanderson1

Is it possible that your Information Store (PRIV.EDB) is at or near maximum size?

collages

ASKER

What is the maximum size?

jlanderson1

16GB in Exchange 2003 (Priv1.edb file and the Priv1.stm added together)

collages

ASKER

this is exchange 2007

jlanderson1

Exchange 2007 limit = 50GB

collages

ASKER

Is that for enterprise too? And what happens if you go over 50GB?

collages

ASKER

where do I check the size of my database?

jlanderson1

There is no size limit for the Enterprise version.
To check size: :\Program Files\Microsoft\Exchange Server\Mailbox\First Storage Group
Looking for the .EDB file size.

As crazy as this sounds, if you are running WINS on your network, you MUST be sure to have correct WINS information on your Exchange box.

collages

ASKER

Ok I am running Exchange 2007 std and I am over 50gb. What is supposed to happen when you go over 50gb?

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jlanderson1

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Matthew Millers

Hi,

Unless I am mistaken, the database storage limit for exchange 2007 Standard is 16TB per DB (same as ent)

http://www.microsoft.com/exchange/evaluation/editions.mspx

Thanks
Matthew

Matthew Millers

Your store is not shutting down at this time is it?
Are other people reporting problems accessing their mailbox at this time?

jlanderson1

Actually, it is true that you can continue to expand the size of the DB. But, performance recommendations would be 75GB per database. I would create a second store after that.

But, Standard is only 50GB out of the box.

collages

ASKER

Yes People could no longer use their outlook client when this happened.

Matthew Millers

What "jlanderson1" has said will resolve your problem then.

collages

ASKER

Well I have 2 storage groups combined for about 56Gb all together. I have Exchange 2007 std but when I go into the registry where you can expand the size of the database it already says 100gb. But somehow the server still managed to take itself offline yesterday.

Matthew Millers

Oh ok, are there any events in the application log around the time of this error? Event specific to the IS?

collages

ASKER

Yeah the one I posted at the top of the message

Matthew Millers

Well thats just saying that the system attendant mailbox could not be opened becuase the store is down, I was wondering if there are errors specific to the store? Maybe some reason why the store is shutting down.

Maybe it was not a store issue, are there any othe revents around that time?