To resolve this error, the attributes on the device certificate(CN / SAN) must match with IP and Hostname mentioned on Remote TOTP.
Device Certificate: *.pulsesecure.net (SAN: DNS=*.pulsesecurelab.net,DNS=*.ab.net, IP Address=X.X.X.X )
Remote TOTP: totp.lab.net --> Problem will not occur
Remote TOTP: X.X.X.X which is resolved to totp.pulsesecure.net --> Problem will not occur