Hi everyone, The OAB generation is failing in the Exchange Server 2007 SCC cluster environment based on Windows Server 2003. The OAB generation is completed successfully on the active Node, but it is not generated on the passive node. My Exchange 2007 environment is: OS: Windows Server 2007 R2 with SP 2 Exchange: Exchange 2007 with Service pack 1 (no apply Rollup 5) Cluster Model: SCC (Single Copy Cluster) Cluster - 1 Active 1 passive And, it logs an Event ID 2328, 9373, 9369 as following: ------------------------------------------------------------------------------------------------- Event Type: Error Event Source: MSExchangeSA Event Category: OAL Generator Event ID: 2328 Description: OALGen encountered file error 8007046a (internal ID 505021e) while generating the offline address list for address list '\Global Address List'. Make sure there is enough disk space available. ------------------------------------------------------------------------------------------------- Event Type: Error Event Source: MSExchangeSA Event Category: OAL Generator Event ID: 9373 Description: OALGen detected that the file 'file://%3cserver/ name>\ExchangeOAB\<folder name>\a58e388b-7b23-4944-b042-58a7d0c6590f-data-1.lzx' is corrupted or missing. This indicates data tampering or disk problems. Restore files in this folder from the recent backup or clean up folder content and force a full OAB generation. - Default Offline Address Book ------------------------------------------------------------------------------------------------- Event Type: Error Event Source: MSExchangeSA Event Category: OAL Generator Event ID: 9369 Description: OALGen encountered an error while publishing the OAB files to the distribution point 'Default Offline Address List'. Check other logged events to see more information about the problem. - Default Offline Address List I can find a similar issue as these at the Google, but they only were always spoke about the Windows Server 2008 environment. For example, KB957978 is included in the "Rollup 5 or 6 for Exchange Server 2007 Service Pack 1" pack. But it is described on the Windows Server 2008 based. In fact, I has updated Rollup 5 on passive node. However, these problem could not solve. Please.. What can I do?

Hi,I would recommend that you apply roll-up 5. Even if the KB article says windows server 2008 it might also (and probably do) apply to windows server 2003.Leif

Check info: 1. Does the client only use outlook 2007 and its a pure exchange 2007 environment? 2. Error 8007046a indicates ERROR_NOT_ENOUGH_SERVER_MEMORY. We have no out of memory or disk issues on this server, right? 3. Please go to EMC->Properties of OAB ->Distribution tab->check Enable Web-based distribution setting 4. Please go to MBX server [C:\Program Files\Microsoft\Exchange Server], check if the OAB folder has been generated and shared. Then, go to CAS server, compare the copy of OAB folder to the original one on the MBX server Troubleshooting: 1. For error event 9373, please try to use the methods in the KB 931744 2. For error event 9369, please see this article 3. Please verify the Microsoft Exchange File Distribution service is running normally on the CAS server 4. Please run the cmdlet against affected OAB and check the output Get-OfflineAddressBook id Name | Fl 5. Please enable diagnostics logging for OAL generator. This would log more information into the Application logs after reproducing the issue Set-EventLogLevel MSExchangeSA\OAL Generator -Level Expert 6. Please use this article to check the OAB generation process Resources: How Exchange 2007 OAB Files are replicated to a Client Access Server for download Exchange 2007 OAB Generation fails with the following errors: 9369, 9328 and 9328 A related thread