Microsoft is starting the process of retiring “In-place hold” in Exchange Online in about 15 days. Although, I am not aware of any of my clients using this feature, (mostly mailbox litigation hold), thought I will mention it here, just so it helps in case you are indeed using this feature. If you need help implementing Office 365 eDiscovery, let me know. Here is more info:
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As we continue to invest in different ways to preserve mailbox content, we’re announcing the retirement of In-Place Holds in the Exchange admin center (EAC) in Exchange Online. Starting April 1, 2020 you won’t be able to create new In-Place Holds. But you’ll still be able to manage In-Place Holds in the EAC or by using the Set-MailboxSearch cmdlet in Exchange Online PowerShell. However, starting July 1, 2020, you won’t be able to manage In-Place Holds. You’ll only be able to remove them in the EAC or by using the Remove-MailboxSearch cmdlet. Using In-Place Holds in Exchange Server and Exchange hybrid deployments will still be supported. You will also still be able to place mailboxes on Litigation Hold. For more information about the retirement of In-Place Holds in Exchange Online, see Retirement of legacy eDiscovery tools.
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