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V-79-57344-759 error for ms exchange 2010

Created: 18 Jun 2014 | 3 comments

Dear all,

I have an issue to backup our ms exchange 2010 database. It always happen on last day(Friday) for my differential backup and full backup on Saturday. The error message always the same which is "V-79-57344-759 - Unable to complete the operation for the following reason: VFF Open Failure. This can be caused by low memory or disk resources. ". I already do below solution to counter this issue but it always fail to backup now. I did try to manually trigger full weekly backup but it still fail and receive same error message.

For additional info, it always give different database error each time backup fail. Below is the server spec:

- Intel Xeon 2.5, 16GB RAM, Window 2008 R2 Standard.

Can anyone help me regarding this issue.

Thank you in advance.



Operating Systems:

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CraigV's picture


Do you get the same issue when you use the native Windows backup utility to do the backups?

Which version of Backup Exec are you using?


Alternative ways to access Backup Exec Technical Support:

lmosla's picture


if you are using Backup Exec 2012 make sure you are updated to SP4 as it has a hotfix that should resolve this problem

also this might be helpful

mohamadadeng's picture

Dear CraigV,

I never try backup using Windows backup utility to troubleshoot this problem. This issue is intermitent since some other week, it backup successfull and some other week it fail expecially when lastday differential backup fail, there is big posibility full weekly also fail (but the error show it different database each time fail). Im using BE 2014 SP 4 and installed all the BE updates and windows updates.

Dear Imosla,

Thank for the tips. My paging file for my exchange is 25GB. I think it big enough already. I think i want to try troubleshoot with SGMon utility.

Any more suggestion to overcome this issue.