Check out the following Citrix support article to solve the Citrix connection error, “Protocol driver error” on a Citrix Presentation Server 4.0 server with two network cards, an application launch fails with Program Neighborhood Client or with Web Interface. It addresses the following Citrix error messages:
“Cannot connect to the Citrix MetaFrame Server. Protocol driver error”.
-and-
“Cannot connect to the Citrix MetaFrame server. There is no route to the specified subnet address”
For more information about this error please read the following Citrix Support article: CTX108698 - Error: Protocol driver error... when connecting to a dual-NIC Presentation Server 4.0 Server
Article Tags