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I have CRM 2015 with 2 front-end and 2 back-end servers and 3 organization databases in Always On Availability Group. I would like to upgrade this to 2016.
I was upgrading CRM 2015 to 2016, when upgrade started the databases were still in the availability group. After a while I got this error "Some operations are not allowed on a database that is participating in a database mirroring session or in an availability group." This is the same error that is reported in this blog post. https://community.dynamics.com/crm/b/sonomapartners/archive/2016/07/18/crm-upgrade-with-sql-alwayson And I have removed my primary organization database from the availability group and hit the retry button. Upgrade finished and I have put my database back in the availability group. And everything worked fine.
Should I have to remove the database from the availability group before starting the database upgrade via the configuration manager?
Should I have to remove the database from the availability group before upgrading the front-end and back-end software?
Should I remove the database from the availability group at the time when the error is occurred like I did last time on the test server.
Ideally you should remove the database from the availability group before starting the database upgrade via the configuration manager.
Last options may cause other errors.
Hope this helps.
How does the configuration manager connects to the database when the database is removed from the availability group?
In the properties of the organization I have found the sql connection information that upgrade setup have used
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