# NuGet Authentication

> Solve problems with the Text Control Private NuGet Feed: 401 responses, expired API tokens, missing packages, an ignored nuget.config and build servers.

- **Product:** TX Text Control .NET Server
- **Section:** Documentation
- **Kind:** Topic
- **Path:** TX Text Control .NET Server > Troubleshooting > NuGet Authentication
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/troubleshooting/nuget-authentication/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/troubleshooting/nuget-authentication/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/troubleshooting/nuget-authentication/llms-full.txt

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## On This Page

- [The Feed Rejects Your Credentials](https://docs.textcontrol.com/tx-text-control-dotnet-server/troubleshooting/nuget-authentication/#the-feed-rejects-your-credentials)
- [A Package or Version Is Not Listed](https://docs.textcontrol.com/tx-text-control-dotnet-server/troubleshooting/nuget-authentication/#a-package-or-version-is-not-listed)
- [You Have No nuget.config File](https://docs.textcontrol.com/tx-text-control-dotnet-server/troubleshooting/nuget-authentication/#you-have-no-nuget-config-file)
- [The Restore Ignores Your nuget.config](https://docs.textcontrol.com/tx-text-control-dotnet-server/troubleshooting/nuget-authentication/#the-restore-ignores-your-nuget-config)
- [The Restore Fails on a Build Server](https://docs.textcontrol.com/tx-text-control-dotnet-server/troubleshooting/nuget-authentication/#the-restore-fails-on-a-build-server)
- [The API Token Was Shared by Mistake](https://docs.textcontrol.com/tx-text-control-dotnet-server/troubleshooting/nuget-authentication/#the-api-token-was-shared-by-mistake)
- [Related Pages](https://docs.textcontrol.com/tx-text-control-dotnet-server/troubleshooting/nuget-authentication/#related-pages)

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## Nearby

- **Previous:** [Installation](https://docs.textcontrol.com/tx-text-control-dotnet-server/troubleshooting/installation/llms.txt)
- **Next:** [Licensing](https://docs.textcontrol.com/tx-text-control-dotnet-server/troubleshooting/licensing/llms.txt)