To upgrade Enterprise System Manager (ESM) 2.4 or older versions to ESM 3.0, you should first upgrade to ESM 2.6, and then install ESM 3.0. <br> If you have already tried to upgraded ESM 2.4 directly to 3.0 and it has failed, complete the following steps: <br> Close the installer. <br> Verify that ESM services… Continue reading Upgrading Enterprise System Manager 2.4 or Older Version to ESM 3.0