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I am experiencing the issue of walking into a new company as a sysadmin and no one has looked after their exchange for a long time.

Because of that there is a mailbox (Lets call it Mailer) that is around 1TB now and gets around 9000 e-mails a day.

It is the only mailbox in a database (edb) but due to its size I am struggling to do anything with it.

I have tried PowerShell export to PST commands (New-MailboxExportRequest), even running it in a months cut off it takes up to 5 days to run (Running PowerShell on a local PC as when I did it in the Exchange server it became unresponsive)

While the Export command is running, we are getting a heap of "E-mail delayed" notifications coming out of that account to customers (Really bad thing).

So my new theory is, create a new mail database, in that create a new mailbox. Then somehow tell my mail account (Lets call it Mailer) to use that mailbox instead of the huge one.

The only issue is I have no idea how to achieve this, or if it is even possible. Any help would be great.

Andreas Rogge
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Caz1224
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  • `It is the only mailbox in a database (edb) but due to its size I am struggling to do anything with it.` - You've said that you've tried to export the mailbox to a pst file and that that's not working, but it isn't clear exactly what you're trying to do with the mailbox. Are you trying to reduce the size of it? – joeqwerty Feb 06 '18 at 22:18
  • Hey @joeqwerty, currently the mailbox is pretty unresponsive due to its size and the hdd that its sitting on is quickly running out of space. So what I am trying to do is get it to a point where the mailbox is useful. – Caz1224 Feb 06 '18 at 22:20
  • Any reason you can't just rename the account and make a new one with the old name? – sippybear Feb 07 '18 at 00:57
  • I had considered doing that but was worried about unknown ramifications – Caz1224 Feb 07 '18 at 01:40
  • Erase the account and recreate it ? – yagmoth555 Feb 07 '18 at 03:49

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