Upgrading from RHEL 6 to RHEL 7 on Gnome Desktop Environment failed.

Solution Verified - Updated -

Issue

  • How can I upgrade RHEL 6 to RHEL 7 on Gnome Desktop Environment?
  • When upgrading RHEL 6 to RHEL7, preupg shows "FAIL" and cannot be in progress any longer.
# preupg
|GNOME Desktop Environment underwent several design modifications in Red Hat Enterprise Linux 7 release      |fail              |
We found some critical issues. In-place upgrade is not advised.

#  redhat-upgrade-tool --iso /rhel-server-7.0-x86_64-dvd.iso
setting up repos...
preupgrade-assistant risk check found EXTREME risks for this upgrade.
Run preupg --riskcheck --verbose to view these risks.
Continuing with this upgrade is not recommended.

Environment

  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Gnome Desktop Environment

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