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Suresh_Jo_32729's avatar
Suresh_Jo_32729
Icon for Nimbostratus rankNimbostratus
Apr 02, 2018

Getting Verify return code: 21 (unable to verify the first certificate) error message.

All,   I have uploaded same ssl cert in two different LTMs, in device it's working fine but in other device I am getting Verify return code: 21 (unable to verify the first certificate) error messa...
LTM
security
jaikumar_f5's avatar
jaikumar_f5
Icon for MVP rankMVP
Apr 02, 2018

Can you list your setup from both ltm's

tmsh list ltm profile client-ssl

The error is more likely to occur because you may have missed to have include intermediate certificate.