Question 86100 in ASP.NET Question posted in
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Unable to build the ASP.Net Core 7 in azure devops pipeline (CI)

Unable to build the ASP.Net Core 7 in azure devops pipeline (CI), Using Classic pipeline and ASP.net core template

Error message :

##[error]C:Program Filesdotnetsdk6.0.203SdksMicrosoft.NET.SdktargetsMicrosoft.NET.TargetFrameworkInference.targets(144,5)
: Error NETSDK1045: The current .NET SDK does not support targeting .NET 7.0.
Either target .NET 6.0 or lower, or use a version of the .NET SDK that supports .NET 7.0.

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2

Answers


  1. 0

    Add a task to install the .NET version that you need (you can change 7.x to something more specific)

      - task: UseDotNet@2
    displayName: 'Use .NET Core SDK 7.x'
    inputs:
      packageType: sdk
      version: '7.x'
      installationPath: $(Agent.ToolsDirectory)/dotnet

    Docs

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  2. 0

    We faced this same issue in upgrading to .NET 7 on our self hosted agents, and despite adding the UseDotNet@2 as described by silent, we still ended up with failures referencing various 6.0.x SDK targets.

    The issue ended up being resolved through this answer. It was due to a previous install of .NET 6 and the variable MSBuildSDKsPath. If you have self hosted agents, check the "Capabilities" of the agent to show the variable itself.

    Failing that, check the value of that through the pipeline itself with a step like;

          - script: set
        displayName: show all env vars

    An example snippet of our ci-pipeline.yaml that worked is as follows. Important notes are MSBuildSDKsPath overriding whatever environment variable is set on the agent to reflect the location of the newly installed .NET 7 SDK;

    trigger:
  branches:
    include:
    - '*'
    exclude:
    - develop
    - main

variables:
  - name: solution
    value: '**/*.sln'  
  - name: BuildConfiguration
    value: 'Release'
  - name: MSBuildSDKsPath
    value: C:agent_work_tooldotnetsdk7.0.102Sdks

jobs:
  - job: Build
    pool:
      vmImage: 'windows-latest'
      name: 'Modern'
    workspace:
      clean: all

    steps:
      - script: set
        displayName: show all env vars

      - checkout: self
        persistCredentials: true

      - task: UseDotNet@2
        displayName: 'Use .NET 7.x'
        inputs:
          packageType: 'sdk'
          version: 7.x
          performMultiLevelLookup: true
          includePreviewVersions: false
          installationPath: $(Agent.ToolsDirectory)/dotnet
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