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Mark Lewis asked on

Need some help with online Exchange and retention/Information Gov.

Need help with online Exchange. We are moving from on prem to online. With onprem, I used a shell command to delete all emails in the Inbox, Sent and Deleted items older than 90 days per our policy. I can no longer use that shell command.

I think I found a way using Compliance Management in the Classic EAC by creating tags for each folder and combining them into a policy and applying that policy to the users. Then wait for the MRM assistant to run.

What has me confused is my policy is showing up in the newer 365 Compliance portal under Information Governance (which must be the "new" way of doing this) but it's showing a full scale deletion rather than just the folders I specified in Classic.

What's this thing going to do? A lot of people have older than 90 days tasks, reoccurring calendar meetings, contacts, etc.

Is there a way to specify just the Inbox, Sent items, and deleted in Information Governance? 

Does anyone understand Microsoft's logic in general with this new EAC ;)

Any help would be of help. Thanks

Exchange* Exchange Hybrid

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Jian An Lim

8/22/2022 - Mon
Jian An Lim

the new way (information governance) is not suitable for your use case.
i will recommend you use the classic exchange native way.

Mark Lewis

Just an update:

Setting the retention tags/policy in classic EAC and manually running the attendant did indeed leave the other folders alone but it cropped up a whole new problem: Even though I specified a tag to delete everything but the last 90 days of the deleted items, the policy didnt touch the deleted items. the tag is part of the policy and the other two tags for Inbox and Sent items worked fine.

Is there something special that needs to be done with Deleted?

Also, what happens to the ability to define folder specific tags when Classic EAC goes away next year. I assume it will still be programable through the powershell?
Jian An Lim

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Jian An Lim

just in case, you want to know the powershell,you can read an old article  https://o365info.com/manage-retention-policy-by-using/

I started with Experts Exchange in 2004 and it's been a mainstay of my professional computing life since. It helped me launch a career as a programmer / Oracle data analyst
William Peck