Here are the steps I used to install multiple splunk 6.2 instances on my Windows 2008 box. Unfortunately, I don't know to create a new service for it; so I would have to start the splunkd instance in interactive mode.
Note: make sure that you unset SPLUNK_HOME in your PATH variable.
Run this CLI command to extract the .msi package:
msiexec /a <path to you splunk install .msi package> /qb TARGETDIR=<path to extract the new splunk installation>
Example:
msiexec /a C:\temp\splunk-6.2.2-255606-x64-release.msi /qb TARGETDIR=C:\my_new_splunk_instance
Next: cd into C:\my_new_splunk_instance\Splunk\bin and run:
splunk start --nodaemon
If you have the existing splunk instance running, you will be prompted to specify new tcp ports for the new install to use.
Now, you should have a DOS window with splunkd running. To stop splunk, just hit crtl + c, and wait a few seconds.
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