How to check MRM processing on a Mailbox in Exchange Online - Microsoft …
https://answers.microsoft.com/en-us/msoffice/forum/all/how-to-check-mrm-processing-on-a-mailbox-in/1c2c290b-d196-43c0-9df1-1eacd5a8ee8f
Nov 10, 2021 · ElcLastSuccessTimestamp - the last time when MRM processed the mailbox without encountering any errors; in case of MRM throttling, these errors can be temporary, which means that items will continue to be moved/deleted but at a slower rate than usual. 5. To check the retention policies and tags, we can run below commands.
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