Migration fails: RPC agent stops working on the source server


2017-05-24 12:02:55 UTC


2017-08-18 15:09:07 UTC


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Migration fails: RPC agent stops working on the source server

Applicable to:

  • Plesk for Windows

Note: This article has the reference to the issue with the fix available:

  • #PPPM-6025 "Under certain circumstances, the functionality of Plesk utilities linked with C++/CLI assemblies was disrupted."
    Fixed in:
Please consider updating your server:


Plesk Migration Agent fails with the following message:

This assembly is built by a runtime newer than the currently loaded runtime and cannot be loaded. Agent failed because of WINAgentMng.exe failure:
Description: Stopped working
Problem signature: Problem
Event Name: APPCRASH
Application Name: WINAgentMng.exe
Application Version:
Application Timestamp: 57b3e78a
Fault Module Name: KERNELBASE.dll
Fault Module Version: 6.1.7601.23418
Fault Module
Timestamp: 5708a7e4
Exception Code: e0434f4d
Exception Offset: 0000c54f
OS Version: 6.1.7601.
Locale ID: 1033


This is Plesk bug #PPPM-6025 which was fixed in Plesk Onyx 17.5.3 Update 6 .


Upgrade to the latest Plesk version .

As a workaround, remove "supportedRuntime" XML element from the following files:

  • acronismng.exe.config
  • aspnetcfg.exe.config
  • CheckDns.exe.config
  • crontabmng.exe.config
  • dbbackup.exe.config
  • domain_bu.exe.config
  • plesk_agent_manager.exe.config
  • reconfigurator.exe.config
  • spammng.exe.config
  • wtsls.exe.config
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