MsExchange Blog Spot Telnet25

May 15, 2010

Exchange is unable to mount the database that you specified,Error code: MapiExceptionBusy,Unable to mount database…

Filed under: General — telnet25 @ 4:28 am

Problem: After dismounting Database and trying to mount it, you receive fallowing error on Clustered mailbox server, Exchange 2007,trying to bring the database online from EMC is not working,


Microsoft Exchange Error


Failed to mount database ‘SG15MB1’.




Exchange is unable to mount the database that you specified. Specified database: MailServer1\SG15\SG15MB1; Error code: MapiExceptionBusy: Unable to mount database. (hr=0x8004010b, ec=-2147221237)



  • Open fail over cluster Management
  • Console
  • Click Services and applications
  • Click server name, in the middle pane
  • scroll all the way down “other resources”
  • find the SG shows offline
  • Make a right click and select bring this resource ONLINE


If you are running off single exchange server check to make sure system attendant service is running, you may have to restart this service to get going.

Best regards,
Oz Casey , Dedeal
MCSE 2003, M+, S+, MCDST
Security+, Project +, Server +
Http:// (Blog
Http:// (Blog)
Http:// (Blog


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