Scan failed with error 0x80240438 and Cloud Management Gateway
As part of an ongoing Autopilot project, I am installing ConfigMgr agent on devices with Azure AD identity to support Co-management. Workloads for patching Windows updates and Office 365 sit with ConfigMgr so it is important for me to have this working to support an existing monthly patching process in the customer's environment. Since I implemented CMG for the customer as part of another project last year, I was aware of the configuration, but when security patching didn't work using CMG on AAD devices, it came as a little surprise to me. I immediately put on my troubleshooting hat and started looking into the issue. Now update scan failures in the world of ConfigMgr is a common occurrence. Since I have dealt with such issues many times in the past during my career, I knew what and where to look for. I wanted to share some of my troubleshooting steps through this blog post which may help others in the future. The first thing I did was to check whether the client had installed ...