Hi Uttam, you'll only be able to upgrade if you have a valid software maintenance. To check if software maintenance is current for your license, navigate to Cog icon > Licensing and make sure the license support period has not expired. If your support period has expired, follow the prompts to renew your license and reapply it before upgrading.
For more information, you can read Bitbucket Server Upgrade Guide.
Let us know if that was your case or if you need further assistance!
As a project manager, I have discovered that different developers want to bring their previous branching method with them when they join the team. Some developers are used to performing individual wo...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs