Remote endpoint not reachable

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

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

The sections below describe possible causes and their corresponding solutions.

Invalid enrollment URL

The CEP URL provided in Group Policy Management may contain a typo.

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

Network issues prevent the Windows server from accessing the PKIaaS WSTEP URL.

Issue resolution: Verify the following.