Victory on Office 365 Rules!

It seems that enough people spoke up, and the result is VICTORY!  Microsoft has restored the ability to increase rule size up to 256kb in Office 365.  This should be a big help to people who have a lot of rules.

My colleague, Ben M. Schorr of Roland Schorr & Tower gave me the news just last night.

If you are on Office 365 and need to increase your rules (and this is a need, not a want) contact the Office 365 folks.  If you need assistance, contact me and I will put you in touch with Ben who has been kind enough to offer to help.

I have to give credit to Microsoft, when enough people spoke, they listened.


  1. Hello there,

    that was great yes… but what if you reach the next level? Can we increase the max. limit of 256 kb? If I try to do so I get next error:

    Invoke-Command : Cannot bind parameter ‘RulesQuota’ to the target. Exception setting “RulesQuota”: “The property, (512
    KB (524,288 bytes)), is out of range. The valid range is from 32 KB (32,768 bytes) to 256 KB (262,144 bytes).”
    At C:\Users\user\AppData\Roaming\Microsoft\Exchange\RemotePowerShell\exchange.domain\exchangedomain1:49667 ch
    + $scriptCmd = { & <<<< $script:InvokeCommand `
    + CategoryInfo : WriteError: (:) [Set-Mailbox], ParameterBindingException
    + FullyQualifiedErrorId : ParameterBindingFailed,Microsoft.Exchange.Management.RecipientTasks.SetMailbox

    • I don’t believe so. There will always be some kind of limit and some people will always hit it. If I were you, I would look into making adjustments to the formation of the rules. Frequently that will enable you to decrease the size.

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