FMS (Management Server) 7.1.0 fails to install/upgrade.
Windows FMS fails to upgrade to version 7.1.x with message Error: could not open '[FMS_HOME]\jre\lib\jvm.cfg
This issue is known to be caused by Dynatrace, but other third-party products could also interfere.
For Linux hosts.
Deactivating Dynatrace OneAgent appears to be sufficient to resolve this issue and complete the installation/upgrade process.
If the issue is a FglAM upgrade, the service/daemon needs to be restarted while Dynatrace is deactivated before trying to upgrade.
Dynatrace can be reactivated once the process has completed.
For Windows hosts.
Option 1:
Option 2:
C:\Program Files\dynatrace\oneagent
to C:\Program Files\dynatrace\_oneagent
)C:\Program Files\dynatrace\_oneagent
to C:\Program Files\dynatrace\oneagent
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