CODEWITHSUNDEEP
wixupgrade
Markus
Markus

Reputation: 1241

Upgrading Wix from v4 to v5: Ensure that the extension for elements in the 'http://wixtoolset.org/schemas/v4/wxs/ui' namespace has been provided

In Microsoft Visual Studio 2022, I attempted to upgrade my Wix install set by updating the Nuget package dependencies (WixToolset.netfx.wixext and WixToolset.UI.wixext) for the Wix installer from version 4 to version 5.0.2

The error I get is in my one .wxs file:

<ui:WixUI Id="WixUI_Mondo" />

The error: Error (active) WIX0200 The UI element contains an unhandled extension element 'WixUI'. Please ensure that the extension for elements in the 'http://wixtoolset.org/schemas/v4/wxs/ui' namespace has been provided.

At the top of the same file, there is

<Wix xmlns="http://wixtoolset.org/schemas/v4/wxs" xmlns:ui="http://wixtoolset.org/schemas/v4/wxs/ui" >

(unchanged, before, in v4 it was building correctly)

Upvotes: 2

Views: 1274

Answers (1)

Markus
Markus

Reputation: 1241

In the .wixproj, I had the line:

<Import Project="Sdk.props" Sdk="WixToolset.Sdk" Version="4.0.2" />

which I had to change to

<Import Project="Sdk.props" Sdk="WixToolset.Sdk" Version="5.0.2" />

Upvotes: 2

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