Submit a ticketCall us

Webinar: Web Help Desk for HR, Facilities and Accounting Departments
This webinar will focus on use cases for HR, Facilities and Accounting.

Having a unified ticketing and asset management system for all the departments in your company can provide end-users with a seamless experience and make things easier for your IT team. Yet, with different business tasks and objectives, many departments don’t fully understand the capabilities of Web Help Desk and how the software can be customized for effective use in their departments.
Register Now.

Home > Success Center > Server & Application Monitor (SAM) > Job Engine Agent Plug-in Load Failed

Job Engine Agent Plug-in Load Failed


When clicking View plug-ins in the Manage Agents page, the following error is displayed for Job Engine Agent Plug-in:

Plug-in Load Failed

Re-installing the plugin does not fix the issue.


The error similar to one of the following also appears in the agent log on the remote computer:

  • [ERROR] WorkerProcessController::RegisterWorkerProcess - pluginId [JobEngine], failed to complete worker process registration
  • System.DllNotFoundException: Unable to load DLL 'sqlceme35.dll'


  • All SAM versions
  • Windows Server


The .NET prerequisite features are missing or the SQL Compact Edition x32 and x64 versions do not match


Install the .NET prerequisites.

  1. Ensure that the following .NET prerequisites are installed:
  • .NET 2.0 layer
  • .NET layer for WoW64
  • Repair Visual C++ 2013 x86 and x64
  • Restart Agent service
  1. To install the prerequisites, refer to:


Correct the SQL Compact Edition issue.

  1. For the SQL CE Issue please try installing SQL CE x32 AND SQL CE x64 on the target Agent Machine.
  2. It's a known issue detailed in the following Microsoft KB:
    FIX: You receive an error message when you run a SQL Server Compact 3.5-based application after you install the 32-bit version of SQL Server Compact Edition 3.5 Service Pack 2 on an x64 computer  (© 2016 Microsoft, available at, obtained on August 24, 2016.)


Disclaimer: Please note, any content posted herein is provided as a suggestion or recommendation to you for your internal use. This is not part of the SolarWinds software or documentation that you purchased from SolarWinds, and the information set forth herein may come from third parties. Your organization should internally review and assess to what extent, if any, such custom scripts or recommendations will be incorporated into your environment.  You elect to use third party content at your own risk, and you will be solely responsible for the incorporation of the same, if any.


Last modified
09:16, 5 Sep 2017