PFBackup Network Saturation - Outlook Add-in

Has anyone experienced network saturation if there are multiple thousands of people using the PFBackup utility to backup PST files to the network?  There are 5,000 plus users at this installation, and we are looking to remove open PSTs from network servers, moving them to the local hard drives.  The logoff process initiates the backup / copying for the Outlook Add-In PFBackup to the location specified.  The PST files can grow to GB in size.  Any information on how this would affect the network with a large user population would be helpful.  Thank you.
Eileen Chapman
chapmane1Asked:
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Nenad RajsicCommented:
if you move your backup pst to the local hard drives you won't have any network badwidth issues. anything that creates full backups over network when user logs off is not good not even for small networks.

Just imagine if everyone is to log off at 5pm and 5000 machines start chucking data across your network.

you need to change the backup location to their local machine. (but then what is the point of your backup if they are stored on the same machine?)

Is there a mailserver in your organisation? is it Exchange server
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chapmane1Author Commented:
Hello, vukovarcan.

Thank you for your answer.

We have a separate server to house the PST files, and we have several Exchange servers.  The hours for logging off vary just as they do for logging in.  The main thrust would be over a two hour period.  We have a large network, and I wanted to know if the amount of backups being performed by PSTs being copied to a network server would bring the network to a point where it would be saturated and people could see a degradation.  The point is that a large number of open PSTs over the network already has given slow response.  We are trying to improve the end-user experience.  The additional point is that we need the data backed up one way or the other.     People cry (literally) if they lose their email.  

Eileen
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Nenad RajsicCommented:
Eileen
Why don't you just backup your exchange mail stores? You have everything in one place to restore it when you need it and you schedule your jobs to run overnight when no one is using your network.

Even if your average pst size is 100MB because you have so many users backing up literally at the same time your network i believe grinds to a halt. Then their also your storage server where you keep those files. have you checked read write time on those drives? can it cope with so many request.

I would recommend you stop doing that and backup your mail stores only - I use Backup exec and restoring emails is quick and easy and everything is done from one location.

You can also enable deleted item retention on exchange (15 days is ok) so the users can recover their deleted emails without wasting your time)
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chapmane1Author Commented:
Only solution appears to be a test for a wide group of testers.  Exchange servers are backed up nightly, but are not involved in the original question.  Practical management of PSTs on a large network is being investigatged.  The change is to move the large, open (currently used) PSTs to the User's local hard drive, and have them backed up to a server location on a schedule determined by the end-user.  Was trying to get an idea of bandwidth that would be used by a large user population.  Please close out this question.  Thank you.
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chapmane1Author Commented:
I tried to add a comment.  It errored out.  Please close this!
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Alan HardistyCo-OwnerCommented:
This question has been classified as abandoned and is being closed as part of the Cleanup Program. See my comment at the end of the question for more details.
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