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Home > Success Center > User Device Tracker (UDT) > UDT - Knowledgebase Articles > There was no response from the UDT Service Engine located at "Server: 'XXXX' Port: '17777' EngineID: 'X'"

There was no response from the UDT Service Engine located at "Server: 'XXXX' Port: '17777' EngineID: 'X'"

Created by Eric Bryant, last modified by MindTouch on Jun 23, 2016

Views: 1,185 Votes: 0 Revisions: 5

Overview

The following error is received in UDT:

 

There was no response from the UDT Service Engine located at "Server: 'XXXX' Port: '17777' EngineID: 'X'"

Environment

UDT 3.2.2 HotFix 2 or any HotFix that replaces the Solarwinds.UDT.BusinessLayer.dll file.

Cause 

When the dll is downloaded from a browser and then replaced in Windows Explorer through copy and paste, the dll becomes blocked.

Resolution

  1. Navigate to Program Files (x86)\SolarWinds\Orion\UDT\SolarWinds.UDT.BusinessLayer.dll.
  2. Right-click the Solarwinds.UDT.BusinessLayer.dll file and select Properties.
  3. Open the Security option in the General tab. If you see a message that the file might be blocked, click the Unblock button.
  4. Restart the Orion services using the Orion Service Manager.
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