+2Hello,
Guys i have a problem with Cleanup with Quota, we set to start at 50% and stop when it became 25%.
the mailbox limited with 2 GB and it was consumed by 59%.
Archive job started then cleanup job started and finished when mailbox utilization became 10%.
I believe the quota option not working while all the conditions are right.
Please Help
Best answer by Tim C
Something you have to consider when configuring these rules is that the emails stubbed will only be done based on the rules you have set. That means that even though you are telling it to stop at 25%, only enough messages qualified to get to the mailbox to 36.5%.
If the rules to stub had been configured in a way that would have cleaned up the mailbox down to something lower than 25%, it would have continued until closer to that threshold.
+4I assume this is on prem Exchange 2016 or 2019? Also, you are using the Exchange Mailbox agent and not Exchange Mailbox classic, correct?
Can you provide some more details on the rules that are configured outside of the quota rules for the plan? These rules work together so it is important to know what other rules are configured to understand the behavior.
+2Hello Tim,
Yes, this on prem exchange 2019, with mailbox agent correct.
Customer configured quota limit with 2 GB, something like this but he selects (user the default quota settings from mailbox database. not customize
+4How are the Commvault rules configured for the policy configured against this mailbox?
+2Archive Policy > Include all messages
Cleanup Policy > Include all messages + Replace all message with stub + Leave body content
Quota setting starts at 50% and stops at 25%
so should stop at 25%, but the result once the cleanup policy completed was 10% on mailbox usage
+4Is this behavior across multiple mailboxes or only one? Do you know if the folder structure for this mailbox is that almost all of the content is in one folder?
Without more information my guess here is that the job is running as expected based off a few factors. These types of jobs will go folder by folder and do a scan and check the messages in the folder against the rules you set for archiving. The quotas are checked between folders so if all of the content is in a single folder, you could have results similar to what you are seeing.
+2Hello TIM,
i got your point, also i have applied some test scenarios as below
Conclusion based on the below calculation:
Mailbox quota: 2.6 GB
Target stop at 25% = 0.65 GB of used space
Commvault Cleanup ~1.3 GB messages
Adds back ~300 - 350 MB of stubs (shortcuts)
Final Exchange size ≈ 950 MB
950 MB ÷ 2.6 GB ≈ 36.5% usages
+4Something you have to consider when configuring these rules is that the emails stubbed will only be done based on the rules you have set. That means that even though you are telling it to stop at 25%, only enough messages qualified to get to the mailbox to 36.5%.
If the rules to stub had been configured in a way that would have cleaned up the mailbox down to something lower than 25%, it would have continued until closer to that threshold.
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