Reputation: 1213
I'm trying to install the dotnet-ef
tool via the dotnet-cli.
The command that I enter: dotnet tool install --global dotnet-ef
I gives me the following error:
The tool package could not be restored.
Tool 'dotnet-ef' failed to install. This failure may have been caused by:
* You are attempting to install a preview release and did not use the --version option to specify the version.
* A package by this name was found, but it was not a .NET Core tool.
* The required NuGet feed cannot be accessed, perhaps because of an Internet connection problem.
* You mistyped the name of the tool.
I'm using dotnet 3.0, I believe I didn't have this problem on MacOS, I'm now trying to execute the same command on my Windows 10 machine and it gives me that error.
Some info using dotnet --info
command:
.NET Core SDK (reflecting any global.json):
Version: 3.0.100
Commit: 04339c3a26
Runtime Environment:
OS Name: Windows
OS Version: 10.0.18362
OS Platform: Windows
RID: win10-x64
Base Path: C:\Program Files\dotnet\sdk\3.0.100\
Host (useful for support):
Version: 3.0.0
Commit: 7d57652f33
.NET Core SDKs installed:
3.0.100 [C:\Program Files\dotnet\sdk]
.NET Core runtimes installed:
Microsoft.AspNetCore.All 2.1.13 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.All]
Microsoft.AspNetCore.App 2.1.13 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 3.0.0 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
Microsoft.NETCore.App 2.1.13 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.NETCore.App 3.0.0 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.WindowsDesktop.App 3.0.0 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
To install additional .NET Core runtimes or SDKs:
https://aka.ms/dotnet-download
Upvotes: 38
Views: 39482
Reputation: 13567
For an easy, one-step fix to this, try this command:
dotnet tool install dotnet-counters --interactive --ignore-failed-sources --add-source https://api.nuget.org/v3/index.json
I found that the reason for the failure was very often a 401 unauthorized error, not being shown to the user.
The combination of --interactive
will prompt for credentials if expired, while the -add-source
instructs the dot net tool to look as well to a mainline package stream of nuget.org.
Upvotes: 0
Reputation: 318
My way of dealing with this problem was that I downloaded the package directly from package source
and then specified an alternative source in the command
dotnet tool install --global dotnet-ef --version 7.0.2 --add-source "C:\nuget"
Upvotes: 2
Reputation: 1634
If everything else failed then you should check in your Visual Studio the next route: Tools > NuGet Package Manager > Package Manager Settings > Nuget Package Manager > Package Sources.
There you should have nuget.org, if not and you only have Microsoft Visual Studio Offline Packages, well that is the problem. Next you need to add the package resource nuget.org like this:
Once you click Ok you can go back to your terminal and install dotnet-ef with no problem.
Upvotes: 4
Reputation: 441
For some of reasons you can try to delete directory C:\Program Files\dotnet\sdk-manifests
it will make you can download it.
.net 6 ref : https://github.com/dotnet/sdk/issues/23435
Upvotes: 0
Reputation: 41
I had the same issue on Mac OS recently. It was related to the fact that we use our own NuGet feed (packageSources section). So, I fixed that by removing the custom NuGet feed from NuGet.config file for a while.
Upvotes: 4
Reputation: 638
dotnet tool install -g dotnet-ef --ignore-failed-sources
worked for me. Thanks to Anas-Alhariri
Upvotes: 26
Reputation: 37718
I got this error when I tried to run the command from the Package Manager Console instead of a Powershell command window.
Upvotes: 0
Reputation: 89260
I got this error message, but when I closely inspected all the errors I also had:
Response status code does not indicate success: 407 (Proxy Authorization Required).
Turning off the proxy while running the command fixed the issue.
Upvotes: 0
Reputation: 1213
I got it working by adding the --version
flag and specifying the version to 3.0.0
.
The command that I used:
dotnet tool install --global dotnet-ef --version 3.0.0
Upvotes: 60