SCOM 2019 In-Place Upgrade

I would like to share my experience with in-place upgrade process from SCOM 1807 to 2019.

SCOM Reporting will fail to upgrade in case the extra step presented below is missed as prerequisite check and fix. The issue might be related to a previous, incorrectly un-installation or upgrade of SQL Reporting Services.

Using wbemtest connect to ROOT\Microsoft\SqlServer\ReportServer\RS_MSSQLSERVER and execute WQL: “SELECT * from __namespace“; there should not be 2 (or more) results, but only one matching the current version used. In the screenshot below I deleted V11.


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