Fortinet Exam NSE8_811 Topic 1 Question 23 Discussion

You have deployed a FortiGate In NAT/Route mode as a secure as a web gateway with a few P-base authentication firewall policies. Your customer reports that some users now have different browsing permission =s from what is expected. All these users are browsing using internet Explorer through Desktop Connection to a Terminal Server. When you took at the Fortigate logs the username for the Terminal Server IP is not consistent.

Which action will correct this problem?