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Title
Cannot open archived messages in OWA with Exchange 2010 / 2016 or 2019 hybrid environments -
Description
Exchange 2010 is setup in co-existence with Exchange 2016 or 2019
Cannot open archived messages in OWA
Cannot access attachments for archived messages in OWA
Attachments show as "archived.html" in OWA
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Cause
Incorrect configuration for the account being used to run the Exchange 64-bit extensions on the Exchange server(s) -
Resolution
In environments with both Exchange 2010 and Exchange 2016/2019 servers, we must configure a separate user account with a mailbox in the 2016/2019 environment to use for the Exchange 64-bit extensions.
The original SuperUser account should remain on the Exchange 2010 environment until the 2010 servers are retired.
To setup a second SuperUser account:
1. Create an Active Directory account and a mailbox for the account in the Exchange 2016/2019 environment
2. Follow steps in this article to install the Exchange 64-bit extensions on the Exchange 2016/2019 server(s) and when asked for credentials specify the new account:
https://support.quest.com/metalogix-archive-manager-for-exchange/kb/262911/installing-the-64-bit-extension-for-owa-retrieval-of-archive-shortcuts-in-exchange-2013-2016-2019-262911
Note: If you would like to add the new account to an existing Impersonation Role instead of creating a new role use the following Exchange Powershell command:
Add the SuperUser account to an existing impersonation role:
Add-RoleGroupMember "Impersonation-Metalogix" -Member "SUPERUSER"
3. Verify that when a user with a mailbox in Exchange 2016/2019 logs in to OWA they now see a Metalogix Archive Manager addin section in the preview window of messages
Note: Opening archived messages in OWA with Exchange 2013 and newer works using the new Microsoft App system rather than when users double click to open messages. To open archived messages in OWA for Exchange 2013 and newer you must open the Metalogix Archive Manager addin and click Preview to open the message