Password remediation/rotation fails with the error: Unable to obtain SSH connection to entity: <node name> in the SDDC Manager UI

Products

• VMware SDDC Manager

Issue/Introduction

Unable to remediate or rotate user passwords for nodes in your SDDC Manger UI.

Environment

VMware Cloud Foundation 4.x
VMware Cloud Foundation 5.x

Cause

This issue can arise after products are updated, among other reasons, causing incorrect/mismatched Host Keys stored in SDDC manager's files.

Resolution

Use the fixhostkeys.py script on each node showing disconnected, then remediate/rotate the passwords as needed.

• How to update the SSH host keys on the SDDC Manager

python fixHostKeys.py --node <FQDN of a specific node>

Additional Information

Managing Passwords in VMware Cloud Foundation