Submit a ticketCall us

AnnouncementsWeb Help Desk Integrations eCourse

Looking to reduce response times? Sign up for our eCourse to learn how integrating Web Help Desk with Dameware Remote Support, Network Configuration Manager, Network Performance Monitor, and Server & Application Monitor can improve communication efficiencies.

Register here.

Home > Success Center > Network Performance Monitor (NPM) > TCP .Net Port Sharing Service not responding

TCP .Net Port Sharing Service not responding

Created by Chris Klinedinst, last modified by Caroline Juszczak on Mar 16, 2018

Views: 1,635 Votes: 3 Revisions: 5


The TCP .Net Port Sharing Service does not allow concurrent connections.


  • Orion Web Console is showing HTTP Error 500

  • Core Business Layer is started and listening on TCP 17777

  • Information Service is started and listening on TCP 17777

  • Procmon shows TCP:17777 traffic from only one source at a time


  1. Remove Windows Feature TCP .Net Port Sharing Service.
  2. Restart Windows.
  3. Re-Add Windows Feature TCP .Net Port Sharing Service.
Last modified