DISCLAIMER: Make sure you fully test this migration in a test environment with actual users logging in and actual user identity management you use.
Try this on another Windows server you can test this on.
I would go with the “upgrade one full version at a time” approach
6 to 7
7 to 8
8 to 9
A. From your v6 grafana folder make a copy of the conf and data folders to your test server. You might have to stop the grafana service 1st for this, not sure.
- Download the last of v7 - grafana-7.5.17.windows-amd64.zip
- Download the last of v8 - grafana-8.5.27.windows-amd64.zip
- Download the last of v9 - grafana-9.5.7.windows-amd64.zip
extract #1 into folder grafana-7.5.17
extract #2 into folder grafana-8.5.27
extract #3 into folder grafana-9.5.7
go into grafana-7.5.17 folder and then into the bin folder and run the grafana-server.exe
after a minute, close out the exe window.
copy and overwrite both data and conf folders from point A, into the grafana-7.5.17 folder. Then go to the bin folder of grafana-7.5.17 and run the grafana-server.exe
Go to localhost:3000 if that is your port on the v6.5.1 or check the default.ini file in the conf folder grafana-7.5.17
Please post back when you have done this or you are stuck.