Unable to load the service index for source https://pkgs.dev.azure.com/azurecom/_packaging/OnyxNugetsFeed/nuget/v3/index.json.

Question

1.Error: Unable to load the service index for source https://pkgs.dev.azure.com/azurecom/_packaging/OnyxNugetsFeed/nuget/v3/index.json.

2.The nuget package manager always prompts "some NuGet packages are missing from this solution. Click to restore from your online package sources". When I click the "restore" button, it prompts that it cannot be found.

I tried the following methods and failed，

1. 1. At https://www.nuget.org/downloads Download the latest nuget.exe replacement
2. 2. Close VS and delete the entire nuget.config file under C:\Users\xxx\AppData\Roaming\NuGet.
   3.open Nuget Package Manager -> Package Source > Add https://nuget.org/api/v2

Do you have any other better solutions.

Answer 1

Hello @Amber Cheng (BEYONDSOFT CONSULTING INC) , 

Welcome to Microsoft Q&A forum.

There are many situations that may cause this issue.

1. Network Issue.
2. The source doesn’t exist.

Please copy the url to the address bar of browser and try to access it. This will be helpful to exclude the above two situations.

3. NuGet cache.

Please try to clean nuget cache.

Besides, please try to modify the nuget.config file like following: 

<?xml version="1.0" encoding="utf-8"?>
<configuration>
  <packageSources>
    <clear />
    <add key="XXXXX" value=https://pkgs.dev.azure.com/YYYYY/_packaging/YYYYY/nuget/v3/index.json />
  </packageSources>
  <packageSourceCredentials>
    <XXXXX>
      <add key="Username" value="<Change this with the user name you want.>" />
      <add key="ClearTextPassword" value="<Change this with the personal access token>" />
    </XXXXX>
  </packageSourceCredentials>
</configuration>

Please feel free to let us know if any of above methods works.

Sincerely,

Tianyu

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Answer 2

Hello, we are having the same issue, locally everything works fine, but when building the project through an azure pipeline we get the same error.

I can not accept however that the sollution is commiting my username and password in plain text. Are there any other options?