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Error when RDPing RDS Server ERRCONNECT_CONNECT_TRANSPORT_FAILED

  • December 3, 2025
  • 2 replies
  • 12 views

I have strange behavior in my PasswordSafe.
I am using an application session, and when I try to start an RDP Session / Start Application Session:

  • When using the option to run on a different system with the functional account, it works perfectly.

  • When using the option to run on the current system with the user account, the RDP session does not start. It shows a black screen for some time and then closes.

When I checked the logs in the second case, I found the following:

 

INFO: Accepted RDP session 1234 for 1.2.3.4:1234 INFO: RDP Handler 1234 starting INFO: Found RDP certificate: My:.... INFO: Reading self signed cert INFO: (RDP server) Client Security: NLA:1 TLS:1 RDP:0 INFO: (RDP server) Negotiated Security: NLA:0 TLS:1 RDP:0 INFO: (RDP server) Server Security: NLA:0 TLS:1 RDP:0 ERROR: (RDP server) BIO_read returned a system error 0: No error ERROR: (RDP server) transport_read_layer:freerdp_set_last_error_ex ERRCONNECT_CONNECT_TRANSPORT_FAILED [0x0002000D] ERROR: (RDP) BIO_should_retry returned a system error 0: No error INFO: RDP Session 1234 ended

2 replies

Pulitros144
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  • Rising Star
  • December 3, 2025

@AlaaKH Is the account being used in the connection a local administrator on the RemoteApp server? If it's not, that might be exactly why the session is not working.


  • Author
  • Apprentice
  • December 3, 2025

Thanks ​@Pulitros144 for your reply but yes the account is local administrator and I am able to RDP the RDS using this account but outside the PAM