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Mailbox Size difference between what Outlook Reports and what ESM Reports

From a request from our legal Department we are getting ready to impose a mailbox quote for our users. For the past 3 months we've asked our users to clean out their mailboxes and get them below a 250MB limit...Unfortunately I've been with the company for 12 years and we've never imposed a limit on email. As you can imagine some of our mailboxes are very large...The problem we are running into as we reach the home stretch, is that several users report that their mailbox size as reported by Outlook is much different than the report I send them every morning. The report is what I export out of ESM then convert to Excel...For some users, it's a small difference, others it's much larger...

I'm really worried that once I acutally turn on the quota (next week) then I will run into a lot of problems because users will think they are below the limit, but they really might not be...

Any suggestions?

bmasincup

They are probably taking the size from the inbox instead of the from the mailbox level. The ESM takes into account Calendar, Deleted Items, Tasks...

My recommendation would be to turn on the warning messages at least a week before you turn on the Send and Receive quotas. This way the users will have a better understanding of how close they are to the limit. I would also set the Warning to kick off at 200 or 225MB

jtoates

ASKER

I wish that was the case, but I've personally looked at the sizes and they are definitely off...

bmasincup

If you take the folder sizes for the Inbox, Deleted Items, Calendar... and add them up individually does it add up to what you get for the mailbox in Outlook or what you have in Exchange?

jtoates

ASKER

I'm not sure I haven't tried that...I'm just looking at the Folder sizes for a specific user then comparing them to what I get out of ESM...All my users run in Cached mode, but if I connect them directly to the server then what they see as the folder size is the same as what I see.

bmasincup

Is the Outlook size larger than what you see in ESM?

jtoates

ASKER

The two instances that I have seen they have both been smaller than what I see in ESM..

ASKER CERTIFIED SOLUTION

bmasincup

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jtoates