This article describes how to fix the error 'rfc-complaint;' syntax error Validation failed during upgrade
While upgrading the firewall if you encounter Error 'rfc-complaint;' syntax error Validation failed during upgarde, kindly follow the below steps:Save the rescue configuration of the device, using the following command: >request system config rescue save
Then re-validate the upgrade by request system software add /var/tmp/junos-srxsme-19.4R3-S1.tgz no-copy.
If the above command doesn't work, try withrequest system software add /var/tmp/junos-srxsme-19.4R3-S1.tgz no-copy no-validate.