You will want to do this in steps (3.unknown -> 6.3 is NOT going to work), and follow the documentation at https://confluence.atlassian.com/display/JIRA/Upgrading+JIRA
There is not a lot more we can tell you - you need to read the documentation, plan the steps of upgrade appropriate for your site and test it.
@Nic Brough [Adaptavist] : Hi Nic,
I have JIRA 3.0 Instance which i have upgraded to 4.4.5 this is upgraded using TAR file on Unix Box, Can you please let me know if i can upgrade the same to 6.3.13 with BIN.
Using same SQL Database and Home and Installation Directory.
Hey Community mates! Claire here from the Software Product Marketing team. We all know software development changes rapidly, and it's often tough to keep up. But from our research, we've found the h...
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