Startup check: Confluence data version too low to be upgraded

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Platform notice: Server and Data Center only. This article only applies to Atlassian products on the Server and Data Center platforms.

Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.

*Except Fisheye and Crucible

When a new version of Confluence is released, it is sometimes necessary for Confluence to convert older data to a newer format. This is done by a series of 'upgrade tasks' which Confluence runs on the data.

Newer versions of Confluence don't always contain all the upgrade tasks needed to convert data from the very oldest versions of Confluence, so sometimes upgrades from very old versions must be performed in several stages. Exact changes between older, non-supported versions and current versions aren't always documented.

If you're upgrading Confluence and plan on jumping several versions, you should always read the release and upgrade notes to help you plan your upgrade. Depending on your configuration, you may need to upgrade to interim versions to ensure your upgrade is as smooth as possible. You should also check the relevant supported platforms. We add and remove support for platforms as we progress, so for example, your current database may not be supported in a newer version.

To find out more about changes in each release, see:

Use the table below to determine the most efficient upgrade path from your current version to the latest versions of Confluence.

Your Version

Recommended upgrade path to Confluence 8

2.7 or earlierUpgrade to 2.7.4 then upgrade to 3.5.17, and follow paths below.
2.8 to 3.4Upgrade to 3.5.17, and follow paths below.
3.5

Upgrade to 5.0.3, and follow paths below.

4.0 to 4.3 

Upgrade to 5.10.x, and follow paths below.

5.0 to 5.10Upgrade to 7.19.x, and follow paths below.
6.0.5 to 8.xUpgrade directly to the latest version of Confluence 8.


Confluence 8 is a major upgrade

Be sure to check the Confluence Upgrade Matrix, take a full backup, and test your upgrade in a non-production environment before upgrading your production site.

 

Last modified on Nov 10, 2017

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