Azure AD Connect High CPU Usage detected

I recently started receiving a lot of emails from Azure AD Connect Health in one of my lab environments indicating that my AAD Connect server was experiencing high CPU usage:

I remembered seeing a tweet from fellow MVP Jeff Guillet about this – He’s been tracking this for a while and as it turns out the issue is caused by a buggy Windows update for .NET framework. You can read all about it in the following posts on his The EXPTA {blog}:

Upgrading to AAD Connect 1.1.880.0 fixed the issue for me.

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