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July 11, 2025

Technical Tip: How to fix error code 0x909 when launching RDP session from FortiPAM

  • July 11, 2025
  • 0 replies
  • 377 views
Description This article describes how to fix error code 0x909 after launching Remote Desktop in FortiPAM.
Scope FortiPAM v1.6.
Solution

The following error can occur after launching a secret that is related to Remote Desktop in FortiPAM.

 

f4d17105-7d2c-4b11-8ace-77d3687053d0.png

 

This error indicates that the remote computer requires Network Level Authentication (NLA). This option can be disabled on the remote computer by an administrator.

 

The configuration of this setup is similar to this:

Create a secret with a target RDP. In this test, the Windows machine template is used.

 

rdp1.PNG

 

RDP Security Level is set to Best effort or something else.

 

rdp2.PNG

 

In the policy, the level is set to RDP, which is leading to this issue. 

 

rdp3.PNG

 

Solution:

If the administrator on the remote desktop cannot change or disable the NLA option, the solution would be to change the RDP Security Level in the Policy from RDP to NLA.

 

rdp4.PNG

 

Related document:

Creating a policy