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Etienne_Louise
Copper Contributor
Dec 12, 2023

SSH connexion failed from Azure DevOps server 2020 agents to REHL9

Hi everyone !

with our new linux REHL9 servers we couldn't connect to them through SSH Service connexion (configured with Private Key/username/password). When we use SSH task in release pipeline we face this error message 

[error]Échec de la connexion à la machine distante. Vérifiez les détails de la connexion de service SSH. Erreur : Error: All configured authentication methods failed.
 
On REHL9 server rsa-ssh connexion is deprecated and we need to use at least rsa-sha-256 algorithm.
Can we do some configurations on Az DevOps server to allow that ? I mean use rsa-sha2-256 (or 512) for ssh communication.
Someone have already face this error ?
 
Thank you for your help !

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