Using own custom install shield to deploy the Client Manager into custom directory.
Reason code 126 "Failed to load DLL <module>" means a dependent dll cannot be found. To troubleshoot, it is often best to use Dependency Walker on the problem dll (in this case IEFCMN.dll) to determine the missing dependent dll: http://www.dependencywalker.com/
. However in this case Dependency Walker did not help.
1. Check the PATH
settings in Windows (i.e. Control Panel > System > Advanced system settings > Environment Variables) - is the CM deployment directory in the system path?
2. Check the file iefcmn.ini