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Hello,
I have Archive Online turned on few Exchange mailboxes. I want to disable one of them but I can't. When I try to do this by UI I have a meaning-nothing error:
So I tried doing it via PowerShell and this fortunately gives me an actual error:
So my question is - how to disable InPlaceHold? Using UI and using PowerShell.
Microsoft documentation is outdated - it refers to this feature in EAC in which it is retired, so documentation is useless. 
https://learn.microsoft.com/en-us/exchange/security-and-compliance/create-or-remove-in-place-holds
I run a PowerShell to check some ids of those InPlace-Holds but I couldn't find any PowerShell that works to actually delete it.
Those seem to be holds corresponding to Retention policies in the Compliance center, simply exclude the mailbox therein: https://learn.microsoft.com/en-us/purview/create-retention-policies?tabs=other-retention
Hi,
I could do it if it wasn't already set up. According to MS Documentation you've posted:
Exactly like on my screenshot above. I am excluded from Retention policy. Both InPlaceHolds are with "-mbx" prefix.
and from Label policy
More interesting is that I tried to disable archive on another mailbox and I've got same problem. According to PowerShell there is no InPlaceHolds, but I still can't disable archive.
I don't even know where to search at.
@Vasil Michev sorry, I've doubled answers.
Apologies, I totally missed the "-" symbol. You are correct that such holds are already "excluded", so this looks like a bug to me. Best open a support case and report it.
If you want to further troubleshoot the issue on your own, try using the Invoke-HoldRemovalAction cmdlet as detailed here: https://www.michev.info/blog/post/5792/how-to-use-the-invoke-holdremovalaction-cmdlet-to-remove-legacy-and-orphaned-holds-in-microsoft-365
I'm not sure whether it will do anything in this scenario, but it's worth a try.
You could use Invoke-HoldRemovalAction in Security & Compliance PowerShell:
Invoke-HoldRemovalAction (ExchangePowerShell) | Microsoft Learn
Invoke-HoldRemovalAction -Action RemoveHold -ExchangeLocation KittyPetersen@contoso.onmicrosoft.com -HoldId "UniHecbf89df-74fc-444a-a2dc-c0756c7d3503" -force
I have test in my M365, it works fine.
Or you could Use the GUID to identify the hold:
$CaseHold = Get-CaseHoldPolicy <hold GUID without prefix>
Get-ComplianceCase $CaseHold.CaseId | FL Name
The second command displays the name of the eDiscovery case the hold is associated with. And you could modify/remove it in Microsoft Purview directly.
How to identify the hold on an Exchange Online mailbox | Microsoft Learn
Hi @Jayce Yang-MSFT Please take a look at that:
"-mbx0530b2fec18d4ebdafe1039e413c3106 is not valid case hold Id. This is an organizational hold which can only be removed by excluding the mailbox from the policy."
And according to my answer to Vasil and MS documentation - this mailbox is excluded from organization hold, because it has prefix "-mbx".
So, mailbox is excluded from organization holds and I still can't disable archive...
I'm sorry I made the same mistake as Vassily. You could open a SR and check if there are any backend issue with your tenant. I also add the Microsoft Purview tag, hope this issue will be resolved.
Just circling back to check to see how things are going on with this thread. Did you resolve this issue? Could you please share the solution?
Hi,
I am in contact with MS.
The problem is that one account have ComplianceTagHoldApplied set to True and I can't get rid of that and this is causing the problem. When accounts I want to disable didn't have it set to True I can exclude them for policies and disable archive w/o problems.
Great to know that the issue has already been resolved and thanks for sharing the solution so that others experiencing the same thing can easily reference this! Since the Microsoft Q&A community has a policy that "The question author cannot accept their own answer. They can only accept answers by others", I'll repost your solution in case you'd like to "Accept" the answer : )
Issue Symptom:
How to disable In-Place Hold in ExchangeOnline?
Can not disable the mailbox with "-mbx" hold**.** His mailbox is excluded from organization hold, because it has prefix "-mbx".
Resolution:
The problem is that one account have ComplianceTagHoldApplied set to True and I can't get rid of that and this is causing the problem. When accounts I want to disable didn't have it set to True I can exclude them for policies and disable archive w/o problems.