We've also double checked the firewall settings, but the last 2 years the setup was working without any problems. I don't understand the try to connect to a Link local address. End of inner exception stack trace -ДЄt ()ДЄt .HealthAssessmentDataSource.TryGetIMDSData(Object state) which was running as part of rule 'CollectHealthAssessmentInformation' running for instance '' with id:'' in management group 'AOI-47b62200-3405-4f1d-xxxxxxx3ebdf'. On the Hybrid Worker in EventViewer 'Operations Manager' Log is see the following errors:ДЄ module of type '.HealthAssessmentDataSource' reported an exception : Unable to connect to the remote server -> : A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond 169.254.169.254:80ДЄt .DoConnect(EndPoint endPointSnapshot, SocketAddress socketAddress)ДЄt (Boolean connectFailure, Socket s4, Socket s6, Socket& socket, IPAddress& address, ConnectSocketState state, IAsyncResult asyncResult, Exception& exception) After this some of the Jobs were working for ~30mins and then we have the same situation. Then we tried to Unregister the Hybrid Workers, Uninstall the MMA, Reboot the server, Run the 'New-OnPremiseHybridWorker.ps1'. After this some of the Jobs were working for 30mins and then we have the same situation. The 'last seen' status in Azure Portal is up to date but the Jobs are still suspended. Then we tried to Unregister the Hybrid Workers, Uninstall the MMA, Reboot the server, Run the 'New-OnPremiseHybridWorker.ps1'.

We tried to completely reinstall the MMA and re-register the Hybrid Workers. (Now we know it would be enough to just enter the OMS Workspace in the control panel, but it's to late now).ДЄll of our Runbook jobs are now Queued and then Suspended automatically.

But when the Nets returned home on Friday night. In order to onboard our Hybrid Worker server (Windows Server 2016) to Microsoft Defender ATP we did a reinstall of the Microsoft Monitoring Agent. After sitting out the first 35 games of the season, Brooklyn Nets star Kyrie Irving returned to action earlier this week against the Indiana Pacers.

Restart mma manager