When Enabling WSTEP for users and devices, the Windows machine can display the following error.

Error: The remote endpoint was not reachable.
0x005de01a (-2143485936 WS_E_ENDPOINT_UNREACHABLE)

See below for a list of possible causes and the corresponding solutions.

Invalid enrollment URL

The CEP URL provided to the Group Policy Manager may contain a typo.

Issue resolution: Check the entered URL matches the URL displayed on the welcome page of the Entrust PKIaaS UI.

Network issues

Network issues prevent the Microsoft server from accessing the PKIaaS WSTEP URLs.

Issue resolution: Verify the following.

  • The entrust PKIaaS WSTEP URL is reachable.
  • The firewall rules do not block traffic to the PKIaaS WSTEP URL.