Splunk® Enterprise

Installation Manual

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Splunk Enterprise version 5.0 reached its End of Life on December 1, 2017. Please see the migration information.
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Upgrade to 5.0 on Windows

This topic describes the procedure for upgrading your Windows Splunk instance from version 4.0.x or later to 5.0. You can upgrade using the GUI installer, or by running the msiexec utility on the command line as described in "Install on Windows via the command line".

Before you upgrade

Make sure you've read this information before proceeding, as well as the following:

Make sure you specify the same domain user

When upgrading, you must explicitly specify the same domain user that you specified during first time install. If you do not specify the same user, Splunk will default to using the Local System User. If you accidentally specify the wrong user during your installation, use these instructions to switch to the correct user before starting Splunk.

Don't change the ports

Splunk does not support changing the management port and/or the HTTP port when upgrading.

Back your files up

Before you perform the upgrade, we strongly recommend that you back up all of your files, including Splunk configurations, indexed data and binaries. Splunk does not provide a means of downgrading to previous versions; if you need to revert to an older Splunk release, just reinstall it.

For information on backing up data, read "Back up indexed data" in the Managing Indexers and Clusters Manual.

For information on backing up configurations, read "Back up configuration information" in the Admin manual.

Note: When you upgrade to Splunk 5.0 on Windows, the installer overwrites any custom certificate authority (CA) certificates you have created in %SPLUNK_HOME%\etc\auth. If you have custom CA files, make sure to back them up before you upgrade. After the upgrade, you can copy them back into %SPLUNK_HOME%\etc\auth to restore them. After you have restored the certificates, restart Splunk.

Upgrade using the GUI installer

1. Stop Splunk by either using the Services control panel or executing the %SPLUNK_HOME%\bin\splunk stop command.

2. Download the new MSI file from the Splunk download page.

3. Double-click the MSI file. The Welcome panel is displayed. Follow the on-screen instructions to upgrade Splunk. For information about each panel, refer to the installation instructions.

4. Splunk will start up by default when you complete the installation.

A log of the changes made to your configuration files during the upgrade is placed in %TEMP%.

Upgrade using the command line

1. Stop Splunk either by using the Services control panel or executing the  %SPLUNK_HOME%\bin\splunk stop command.

2. Download the new MSI file from the Splunk download page.

3. Use the instructions in "Install on Windows via the command line".

  • If Splunk is running as a user other than the Local System user, you must explicitly specify this user in your command-line instruction.
  • You can use the LAUNCHSPLUNK flag to specify whether Splunk should start up automatically or not when you're finished, but you cannot change any other settings.
  • DO NOT change the ports (SPLUNKD_PORT and WEB_PORT) at this time.

4. Depending on your specification, Splunk may start automatically when you complete the installation.

A log of the changes made to your configuration files during the upgrade is placed in %TEMP%.

Start Splunk

On Windows, Splunk is installed by default into %SYSTEMDRIVE%\Program Files\Splunk and is started by default.

You can start and stop the following Splunk processes via the Windows Services control panel:

  • Server process: splunkd
  • Web interface process: splunkweb

You can also start, stop, and restart both processes at once by going to %SYSTEMDRIVE%\Program Files\Splunk\bin and typing

#  splunk [start|stop|restart]
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This documentation applies to the following versions of Splunk® Enterprise: 5.0, 5.0.1, 5.0.2, 5.0.3, 5.0.4, 5.0.5, 5.0.6, 5.0.7, 5.0.8, 5.0.9, 5.0.10, 5.0.11, 5.0.12, 5.0.13, 5.0.14, 5.0.15, 5.0.16, 5.0.17, 5.0.18


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