William,

Go to:
    http://www.ibm.com/us/

Search for:
     "a required Microsoft Exchange database log file could not be found"

Thanks,

Del

----------------------------------------------------
"ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU> wrote on 03/24/2004
11:58:48 AM:

>
>
> No I am doing a full backup of MS Exchange through TDP for Exchange i.e.
> online backup of Exchange.  I have successfully restore it to another
> server with different hostname.  Then I shutdown the original server,
> change the restored hostname, registry and IP address.  Then Exchange is
> able to startup.
>
> Now I shutdown the restored server and do an incremental backup (with
> circular log disable) on the original server.  I got ACNO151E error
saying
> that "Information Store INCR  Backup failed.  Unable to perform an
> incremental backup because a required Microsoft Exchange database log
file
> could not be found"  Any idea why ?
>
> Thanks & Regards
> William