Exchange 2013 – Public Mailbox Size Increase

If you have an instance where you want to increase a public mailbox in Exchange 2013, follow these directions:
1. Determine which mailbox needs to be increased.
2. Get-Mailbox -PublicFolder -Identity Mailbox1 | fl prohibitsendquota
3. Now we will go ahead and increase the prohibitsendquota
4. get-Mailbox -PublicFolder -Identity Mailbox1 | set-Mailbox -PublicFolder -ProhibitSendQuota 21000000000
This increases the prohibitsendquota to approx 19.56GB. You may have to increase the prohibitsendreceivequota first to a value larger than 19.56GB. You can see that I set it to a value of 25GB first, before increasing the prohibitsendquota to 19.56GB
SMLXL

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About Parker Jardine

Manager of Systems Administration in the Information Technology Higher Education space. I enjoy biking, climbing, hockey, camping, mountaineering, hunting, paragliding, and just being outdoors. You can read my Make Magazine project articles about a diy solar panel and solar systems design in volumes 12 and 14.
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One Response to Exchange 2013 – Public Mailbox Size Increase

  1. Randy Dalton says:

    Good Post Parker!

    Liked by 1 person

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