Docker ee ucp issue - encountered below error after reboot of node and ucp controller shows unhealthy status

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Error : unable to authenticate user with refresh token on auth provider: invalid_grant : no such account for refresh token

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PowerShellGuy On

If this is the problem I'm thinking of, that error is just a red herring.

In some versions of UCP, when you reboot a manager node, something funky happens with the ucp-auth image, and it loses its tag. Because the image is messed up, the ucp-auth-worker and ucp-auth-api containers cannot start. This in turn, causes the ucp-controller to stay in the unhealthy state.

You can check this with docker images

Look for the ucp-auth image, and check out the tag. If the tag reads <none> then this is your issue. Typically, all you have to do to fix this, is do a docker pull docker/ucp-auth:<your ucp version> then restart the docker engine.