Hi,
Based on the context provided, it seems that the Linux Agent discovery is failing and getting stuck in the pending state for a long time. This may happen due to various reasons such as configuration issues, credential or privilege problems, or network and name resolution problems.
To troubleshoot this issue, you can refer to the following article: "Troubleshoot UNIX/Linux agent discovery in Operations Manager" [1]. This article provides a detailed troubleshooting guide for common errors encountered during the discovery process of UNIX or Linux computers.
References:
- Troubleshoot UNIX/Linux agent discovery in Operations Manager - https://learn.microsoft.com/en-us/troubleshoot/system-center/scom/troubleshoot-unix-linux-agent-discovery