We are moving to Ex07 so right now in our head office I have my test 07 server which is working fine, my old 03 server which is a DC and our new 07 mailbox server on Hyper-V. New mailbox server has been working good with one exception I get this error after a reboot:Log Name: ApplicationSource: MSExchangeSADate: 6/30/2009 8:17:58 AMEvent ID: 1005Task Category: GeneralLevel: ErrorKeywords: ClassicUser: N/AComputer: mercurydn.heincpa.comDescription:Unexpected error The local machine must be a Kerberos KDC (domain controller) and it is not. ID no: 80090339 Microsoft Exchange System Attendant occurred. Event Xml:<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"> <System> <Provider Name="MSExchangeSA" /> <EventID Qualifiers="49152">1005</EventID> <Level>2</Level> <Task>1</Task> <Keywords>0x80000000000000</Keywords> <TimeCreated SystemTime="2009-06-30T14:17:58.000Z" /> <EventRecordID>13239</EventRecordID> <Channel>Application</Channel> <Computer>mercurydn.heincpa.com</Computer> <Security /> </System> <EventData> <Data>The local machine must be a Kerberos KDC (domain controller) and it is not. ID no: 80090339 Microsoft Exchange System Attendant </Data> </EventData></Event>This has been a reacuring issue but usally I can get it going. But I can not move this into production until I fix this issue. System is also running on Windows 2008.Thanks

Hi, this problem might happen if u doesnt disable ip v6 permently.try below procedure 1. Open Registry with "Regedit" 2. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters 3. Create a dword (32-bit) value and name it as "Disabled Components" and then click OK 4. Double click "Disabled Components" and type 0xffffffff(hexadecimal value) or 4294967295 (Decimal value) Please note: The above value 0xffffffff(hexadecimal value) or 4294967295 (Decimal value) will disable all IPv6 components, except the IPv6 loopback interface. Regards Chinthaka

Hi, Besides Chinthakas inputs, please try the following steps. 1. Please check network card binding order by going to Control Panel > Network connections > manage network connections > advanced > advanced settings > Binding. We need to confirm that the active network card is on the top of the binding list. 2. Please try to add the BootPause registry key to the Exchange server and set the value as 120.HKEY_LOCAL_MACHINE\\System\CurrentControlSet\Services\MSExchangeSA\Parameters\BootPause 3. Please try to set other Exchange server services to depend on the Exchange System Attendant. HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\MSExchangeADTopology\DependOnService Value: MSExchangeSA HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\MSExchangeIS\DependOnService Value:MSExchangeSA Besides,please try to check if any other event on Exchange Server. Regards, Xiu

HI,any updates on this matter ?RegardsChinthaka

Xiu,Thanks that seemed to work I was waiting for a scheduled reboot to verify and all services started.

Are these DWORD or QWORD values? I have Win 2008 64-bit. Thanks,

Are these DWORD or QWORD values? I have Win 2008 64-bit. Thanks, DWORD per this article: http://support.microsoft.com/kb/940845

Thank Xiu Zhang - MSFT tu solucion fue muy buena, la he probado en un windows 2008 y exchange 2007, sobre los fix de Microsoft no funciono. Saludos Luis Quispe A.