Run msiexec.exe to Install the universal forwarder from the command line.Download the new MSI file from the Splunk universal forwarder download page.The installer ignores any command line flags that you specify except for the AGREETOLICENSE flag. You cannot make configuration changes during an upgrade. You can upgrade a single forwarder by running the command line installer. Upgrade a single forwarder using the command line The installer puts a log of upgrade changes in the %TEMP% directory (This is usually the C:\TEMP directory but can be different based on your Windows machine configuration.) It also reports any errors in the Application Event Log. Accept the license agreement and click "Install." The installer upgrades the forwarder, retains the existing configuration, and starts automatically when you complete the installation.The installer displays the "Accept license agreement" panel. Download the new MSI file from the universal forwarder download page.The installer stops the forwarder as part of the upgrade process. You can upgrade a single forwarder with the GUI installer. Upgrade a single forwarder using the GUI installer If you need to revert to an older forwarder release, uninstall the current version and reinstall the older release. There is no means of downgrading to a previous version. See Back up configuration information in the Splunk Enterprise Admin manual. %SPLUNK_HOME%\var\lib\splunk\modinputs for checkpoint files.īefore you perform an upgrade, back up configuration files. %SPLUNK_HOME%\etc\apps for apps and add-ons. %SPLUNK_HOME%\etc\system\local for configuration files. Restore apps, configurations and checkpoints by copying them to the appropriate directories:.Install the 64-bit or 9.1 forwarder, as described in Install the universal forwarder from an installer.Uninstall the existing 32-bit forwarder, as described in Uninstall the universal forwarder.Also back up the checkpoint files located in %SPLUNK_HOME%\var\lib\splunk\modinputs. Back up your configurations, including any apps or add-ons (in %SPLUNK_HOME%\etc\apps).To upgrade to 9.1 or later so that you can use a least-privileged user on your forwarder.To upgrade a 32-bit version of the universal forwarder with a 64-bit universal forwarder installer.Use the following task to upgrade in the following scenarios: You must perform any platform architecture changes manually Before upgrading forwarders, review the Known Issues and Fixed Issues. However, you might need an upgrade to a different minor release due to a technical issue in a specific feature. If your forwarders are on the same major release of Splunk software as the indexers, they are compatible. Splunk Enterprise: Compatibility between forwarders and Splunk Enterprise indexers in the Splunk Products Version Compatibility Matrix. Splunk Cloud Platform: Supported forwarder versions in the Splunk Cloud Platform Service Description.To determine if you need to upgrade your forwarder version to remain in support or use specific features, see the appropriate topic for your deployment: "ERROR: In order to migrate, Splunkd must not be running."īegin by checking the forwarder compatibility. If Splunk is running during upgrade, the upgrade fails with error When you upgrade on Windows, make sure to stop Splunk. You can perform a remote upgrade of a group of forwarders (good for deployments of any size)Īs best practice when upgrading a Windows universal forwarder on Splunk Cloud Platform, run the most recent forwarder version, even if the forwarder is a higher version number than your Splunk Cloud Platform environment.You can upgrade a single forwarder with the command line installer.You can upgrade a single forwarder with the GUI installer.There are several forwarder upgrade scenarios: A deployment server can assist in the configuration update process. You must make any necessary configuration changes after you complete the upgrade. When you upgrade a universal forwarder, the installer updates the software without changing its configuration. To track your indexer configuration logs using this functionality, either upgrade your indexers to 9.0 or enable index(_configtracker) for your indexers. If you are planning to upgrade the universal forwarder to version 9.0, see About upgrading to 9.0 READ THIS FIRST in the ''Installation Manual'' first.Īs of version 9.0, the configuration change tracker is enabled by default. Upgrade the Windows universal forwarder.See the following instructions to upgrade the Windows universal forwarder or the *nix universal forwarder:
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