According to the documentationhttps://docs.splunk.com/Documentation/Splunk/7.0.1/Installation/MigrateaSplunkinstanceI can migrate Splunk from Windows 32-bit to Windows 64-bit by simply copying the files from the old machine to the new machine and running the installer over the top.
However, when I perform these steps I get and error saying splunkd.exe failed to start and then the installation is rolled back. If I install a vanilla instance of splunk on the machine it works, so I know it is not some unmet prerequisite.
However, this wikihttps://wiki.splunk.com/Deploy:Migrating_a_Splunk_Installalludes to some "special steps" when migrating from 32 to 64bit on Windows, but the link is ancient and broken.
Can anyone offer some advice?
If you do decided to migrate, I would:
Let me know if this helps !
View solution in original post
Thanks. It seems to have worked. I got an error message about some files being malformed, but all my indexes and dashboard users and passwords all came across.