Hello,
I have the same problem using BackupExec with ADSM Module. I think, it is
not a problem of the backup solution.
To work around, I have to perform a Full Backup of the Exchange DataBase.
Then I can launch again Incremental backup.
Eric

> ----------
> From:         jalarson[SMTP:jalarson AT MICRON DOT COM]
> Reply To:     ADSM: Dist Stor Manager
> Sent:         mercredi 12 août 1998 23:33
> To:   ADSM-L AT VM.MARIST DOT EDU
> Subject:      Error in the Exchange Agent during backup of IS
> 
> Has anyone seen the following message?  It has been happening for a couple
> of days and the idea at this point is to stop and start the IS in hopes
> that
> it will fix any corruption (missing logs) at that point.  Am I going down
> the right path?
> 
> ----
> 
> 08/11/1998 16:06:24,BACKUP(CLC) - Database: IS,Type: 3,Actual bytes:
> N/A,Secs: 0.00,Kb/Sec: 0.00,Exchange server: EXCHG1,ADSM server:
> c:\adsm\agentexc\dsm.opt,Status: Exchange Error: Unable to perform an
> incremental backup because a required Microsoft Exchange database log file
> could not be found.
> 
> 
> Thanks in advance,
> 
>         Jim
>