Failed to get server fingerprint: there is no certificate

[gtelnet]

Anyone come across this error when adding a new ubuntu server to Managed Servers? Haven't been able to find this one anywhere in the forum.

Error Resolving server certificate thumbprint Error: Failed to invoke command /opt/veeam/transport/veeamtransport --get-fingerprint: Failed to get server fingerprint: there is no certificate.
Failed to invoke command /opt/veeam/transport/veeamtransport --get-fingerprint: Failed to get server fingerprint: there is no certificate.

Even though it failed on the first attempt, when we retry adding the server, the wizard says the transport is already installed but it still gets above error when it runs this command, which we can reproduce at the command line:

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sudo /opt/veeam/transport/veeamtransport --get-fingerprint

Haven't been able to determine if this is a Veeam issue or linux issue. It's a brand new install of ubuntu 20.04 on a physical box, identical to every other one we've ever built (as far as I can tell since we used the same build doc to create it). The only difference is the BNR is running the latest 525 build.

Tried adding it with both one time use credentials and standard ssh credentials. The user is temporarily in sudo group for the install. Thanks!

case 02437440

[gtelnet]

Just got it working! Ran this command to rename the veeam folder:

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sudo mv /opt/veeam/ /opt/veeam.old

Retried adding it to Managed Servers and it worked! Will update ticket as well. thanks!

[gtelnet]

FYI - I believe the root cause for this was that we had forgotten to temporarily add the one time credentials to the sudo group when we first tried to add the server on the BNR. It failed with a permissions error, as expected, so we added the user to sudo and tried to add to Managed Servers again. That's when we started getting the fingerprint error. Removing the /opt/veeam folder on the linux box cleared up what ever was left behind from the failed install and allowed the add server to complete. Hope this helps someone else out in the future!