# Windows Server Registry Entries contain references to older versions of Confluence

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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.

# Summary

Windows Server Registry Entries contain references to older versions of Confluence. These entries weren't removed properly during Confluence upgrade.

Windows Registry contains entries similar to below:

• HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\9713-8888-9999-6553 DisplayName = Confluence 5.9.3
• HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\9713-8888-9999-6553 DisplayVersion = 5.9.3

Solution

You may safely remove the registry entries referencing the older versions of Confluence.