SCOM 2025 UNIX/Linux Agent Maintenance - SSH Key

Jonathan Droesch 65 Reputation points
2026-10-20T18:24:28.2533333+00:00

Hello,

I have a question regarding scom agent maintenance account with ssh key.

During my test, SCOM 2025 UNIX/Linux Agent Maintenance appears to use the legacy ssh-rsa (RSA/SHA-1) signature algorithm when authenticating with an SSH-2 RSA 4096-bit key.

The test failed with error : An exception (-1073479162) caused the SSH command to fail - Disconnected: No supported authentication methods available.

On RHEL 9.8 with the DEFAULT cryptographic policy and LogLevel set to debug, the server recognizes the public key but fails signature verification with "error in libcrypto".

Does the SCOM 2025 SSH client support rsa-sha2-256 or rsa-sha2-512, and is there a supported configuration or update that enables these algorithms?

System Center Operations Manager
System Center Operations Manager

A family of System Center products that provide infrastructure monitoring, help ensure the predictable performance and availability of vital applications, and offer comprehensive monitoring for datacenters and cloud, both private and public.

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