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debug message: ‘isSupportedPublicKey FAIL’ means that server failed to find public key in ‘<user’s home>/.nx/config/authorized.crt’ file.
Please make sure that public key was correctly added to that file. You can do it by: execute ‘cat authorized.crt’ in ‘<user’s home>/.nx/config’ and check if public key is there.
Also check if NoMachine server can access that file. File should be readable for ‘<user’s home>’ owner.
If issue persist please send ‘ls -la’ output from ‘<user’s home>/.nx/config/’ and nxserver.log file (with nxserver logs enabled) on forum[at]nomachine[dot]com.