There is no real way to determine that. Its based on the size and complexity of enabled rules not the number:
So one person could have 30 rules and hit the quota and another could have 50.
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Good afternoon. When I run Get-Mailbox -Identity %usermailbox% |fl Rulesquota on multiple O365 RecipientMailboxes I get the same value (256KB)
RulesQuota : 256 KB (262,144 bytes)
How do I determine how much space the active Inbox rules are consuming?
Thank you
L
There is no real way to determine that. Its based on the size and complexity of enabled rules not the number:
So one person could have 30 rules and hit the quota and another could have 50.
Hi @LAR-1968 ,
Agree with Andy that it’s not feasible to check the current utilization size of a user’s Inbox rules.
We might be able get some information about the rule size using the MFCMAPI tool:
So above all, I'd recommend just increase the RulesQuato using the command mentioned in the article shared by Andy when a user is warned that no more rules can be created or updated.
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