Remove Message Size Restriction

Question

Hello,
Please suggest a powershell to achieve below two tasks for bulk mailboxes (in .csv), NOT for individual mailbox;
1) To apply Message Size Restriction
2) To remove Message Size Restriction, so it will utilize default
Thanks

Answer 1

Hi,
I edit Johnpaul’s command to set message size limits not quotas.
To apply Message Size Restriction
Import-Csv "C:\temp\users.csv" | Foreach-object {Set-Mailbox -Identity $_.name -MaxReceiveSize 1GB –MaxSendSize 2GB}
To remove Message Size Restriction, we just set the value to unlimited.
Import-Csv "C:\temp\users.csv" | Foreach-object {Set-Mailbox -Identity $_.name -MaxReceiveSize unlimited–MaxSendSize unlimited}
By the way, message size limit can be set on the following levels:
Organizational Level
Send Connector
Receive Connector
AD Site Links
Routing Group Connectors
Individual
The path evaluated is as follows: User Send Limit > Receive Connector > Organization Checks > Send Connector > User Receive Limit
For more information, please refer to this document:
https://technet.microsoft.com/en-us/library/bb124345(v=exchg.141).aspx
Best Regards.
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