SSL connection error when starting azure deployment group agent

asked 2021-11-18T17:17:38.367+00:00

Hello,

I've installed a pipeline deployment group agent on a linux server since few months and it worked fine, but since 4 days azure is detecting my agent as offline.

I checked on the server and the agent is running but the ssl connection to azure is unable to be established

this is what i have in log files
[2021-11-17 14:24:06Z ERR AgentServer] System.Net.Http.HttpRequestException: The SSL connection could not be established, see inner exception.
---> System.Security.Authentication.AuthenticationException: The remote certificate is invalid according to the validation procedure.

I've already tried to install another agent and the same error displays while running the ./run.sh script (The SSL connection could not be established)

Please can someone tell me why this error suddently appears

Tkx

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