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Storing a PST file on a network share is a bad idea in general. It is a recipe for data file corruption and other problems. PSTs are especially fragile. Why? In Word, you hit save only a few times. In Access, it only goes into the DB when you change records, add a record, run a query etc. Outlook however accesses the PST constantly. You switch from one email to another, there is an access. A reminder pops up, etc. What are the odds that the network will have a glitch exactly at the point in time when Word is saving or Access is hitting the DB? Now compare that with the odds that Outlook is using the PST when there is a network glitch. As Outlook basically accesses the PST all the time, the odds are much higher. And the consequences are much more grave. One glitch could completely ruin a several GB PST file beyond any recovery ability. I don't know about you, but I wouldn't want to be the IT person who has to explain to some big whig or important client why all his emails, contacts, appts from the past 5 years are suddenly gone (assuming you didn't back them up). I'd much rather explain to the same big whig why the Word document he was working on for a few hrs is corrupt. Both are painful things to explain, but the impact of a PST failure can be much worse.
Authored by Patrick Schmid [OneNote MVP] on
RC says - Keep your pst file on the local drive and back it up to a network share every night and back up your network shares nightly. Here's how to backup your file to a mapped drive.