One of my Technicians cannot seem to logon onto his SDP On-Demand Account from anywhere except his PC in the office.

When he tries to logon on using his iPhone or from a remote location, he continues to receive the following error message: Access denied from this IP address

I have checked his permissions and at the moment, he is setup as an SDAdmin.  These are the same rights that I have on my account, and I have no issues logging on using my account from anywhere, mobile app or remote location.

As this user is the Head of IT in our business, I really need to figure out why this is happening and resolve it.

Regards,

Ryan Walker.