Installation of Acronis Product fails with AgentCore install error in MSI log. This article provides information on how to find, identify and resolve typical errors in MSI logs of Acronis software.

Introduction

If the log file shows AgentCore install Error in the lines preceding "Return value 3", then it means that the Acronis Services cannot be registered properly during installation.

Solution

Acronis Backup & Recovery 10 "AgentCore install error" Example from MSI Log:

MSI Log Cut

...
1: MSIGEN:Install certificate at 'file:///C:\Program Files\Common
Files\Acronis\Agent\certificate.pem'
1: MSIGEN:AgentCore install error code 2
Action ended 12:33:56: InstallFinalize. Return value 3.
...

On the machine where the error occurs, issue the following commands (Start -> Run -> cmd):

sc delete MMS
sc delete AcronisAgent
sc delete AcrSch2Svc

This will unregister Acronis services and update service manager.

(!) If the output of any of the commands is service is marked for deletion, a reboot is required to remove the service

More information

See Analyzing Installation Logs of Acronis Products Based on MSI Technology