How do I enable NuGet Package Restore in Visual Studio

Question

There s a similar post on stack but it doesn t help with my issue possibly because I am using Visual Studio 2015   How do I get the  Enable NuGet Package Restore  option to appear in VS2015   I chose File   New Project and created an empty ASP NET Web Application  I m looking for this menu option     I should mention that I have looked for any pre-existing nuGet files in my project folder and there are none

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Ivan Branets  s solution is essentially what fixed this for me  but some more details could be shared   In my case  I was in VS 2015 using Auto Package restore and TFS   This is all pretty default stuff   The problem was that when another developer tried to get a solution from TFS  some packages were not fully getting restored    Why  that I m not quite sure yet    But the packages folder contained a folder for the reference and the NuGet package  but it wasn t getting expanded  say a lib folder containing a  dll was missing    This half there  but not really quite right concept was preventing the package from being restored   You ll recognize this because the reference will have a yellow exclamation point about not being resolved   So  the solution of deleting the folder within packages removes the package restore blocking issue  Then you can right click at the top solution level to get the option to restore packages  and now it should work

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This approach worked for me     Close VS2015 Open the solution temporarily in VS2013 and enable nuget package restore by right clicking on the solution  i also did a rebuild  but I suspect that is not needed    Close VS2013 Reopen the solution in VS2015   You have now enabled nuget package restore in VS2015 as well

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If all else fails  or perhaps before then  you may want to check and see if NuGet is a package source   I installed VS2017  and it was NOT there by default   I thought it was kind of odd    Tools - NuGet Package Manager - Package Manager Settings Click  Package Sources  on left nav of dialog  Use plus sign     to add Nuget URL   https   api nuget org v3 index json

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Package Manager console  Visual Studio  Tools   NuGet Package Manager   Package Manager Console   Run the Update-Package -reinstall -ProjectName  command where  is the name of the affected project as it appears in Solution Explorer  Use Update-Package -reinstall by itself to restore all packages in the solution  See Update-Package  You can also reinstall a single package  if desired    from https   docs microsoft com en-us nuget quickstart restore

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Could also be a result of running the program while you re trying to install the package  it s grayed out if you try to click it while the built in IIS is running in the background

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It took far too long but I finally found this document on Migrating MSBuild-Integrated solutions to Automatic Package Restore and I was able to resolve the issue using the methods described here   Remove the   nuget  solution directory along from the solution Remove all references to nuget targets from your  csproj or  vbproj files  Though not officially supported  the document links to a PowerShell script if you have a lot of projects which need to be cleaned up  I manually edited mine by hand so I can t give any feedback regarding my experience with it   When editing your files by hand  here s what you ll be looking for  Solution File   sln  Project  quot  2150E333-8FDC-42A3-9474-1A3956D46DE8  quot      quot  nuget quot    quot  nuget quot    quot  F4AEBB8B-A367-424E-8B14-F611C9667A85  quot  ProjectSection SolutionItems    preProject      nuget NuGet Config    nuget NuGet Config      nuget NuGet exe    nuget NuGet exe      nuget NuGet targets    nuget NuGet targets EndProjectSection EndProject  Project File   csproj    vbproj     lt Import Project  quot   SolutionDir   nuget NuGet targets quot  Condition  quot Exists    SolutionDir   nuget NuGet targets   quot    gt     lt Target Name  quot EnsureNuGetPackageBuildImports quot  BeforeTargets  quot PrepareForBuild quot  gt       lt PropertyGroup gt         lt ErrorText gt This project references NuGet package s  that are missing on this computer  Enable NuGet Package Restore to download them   For more information  see http   go microsoft com fwlink  LinkID 322105  The missing file is  0   lt  ErrorText gt       lt  PropertyGroup gt       lt Error Condition  quot  Exists    SolutionDir   nuget NuGet targets   quot  Text  quot    System String   Format    ErrorText       SolutionDir   nuget NuGet targets    quot    gt     lt  Target gt

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VS 2019 Version 16 4 4 Solution targeting  NET Core 3 1  After having tried almost all the solutions proposed here  I closed VS  When I reopened it  after some seconds all was back to be OK

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In case anyone else finds this problem in Visual Studio 2017  make sure the project is opened by the  sln file and not the folder  as visual studio won t pick up the settings if it s opened by folder  This happens by default if you re using Visual Studio online services for git

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As already mentioned by Mike  there is no option  Enable NuGet Package Restore  in VS2015  You ll have to invoke the restore process manually  A nice way - without messing with files and directories - is using the NuGet Package Management Console  Click into the  Quick start  field  usually in the upper right corner   enter console  open the management console  and enter command   Update-Package    reinstall   This will re-install all packages of all projects in your solution  To specify a single project  enter   Update-Package    reinstall -ProjectName MyProject   Of course this is only necessary when the Restore button - sometimes offered by VS2015 - is not available  More useful update commands are listed and explained here  https   docs microsoft com en-us nuget consume-packages reinstalling-and-updating-packages

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Helped me through Tools     Nuget Package Manager     General then tick option Allow Nuget to download missing package and Automatically check for missing packages during build in visual studio

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I had to remove packages folder close and re-open  VS2015  solution   I was not migrating and I did not have packages checked into source control   All I can say is something got messed up and this fixed it

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I suppose that for asp net 4 project we re moving to automatic restore  so there is no need for this  For older projects I think a bit of work to convert is needed   http   docs nuget org docs workflows migrating-to-automatic-package-restore

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Go at References in visual studio and look at which packages are missing  Now right click on Solution in Visual and click on open folder in file explorer  Now open packages folder and delete missing packages folder  Open visual studio and just build the solution  all the missing packages will be restore  Please mark this as answer if I helped

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Close VS  Delete everything under packages folder  Reopen your solution  Right click on your project  select  Manage nuget packages      You will see a yellow bar appear on top of  Nuget Package Manager  window  asking you to restore packages  This has worked for me

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I used msbuild  t restore     Credit and source   My problem was with MSBuild So I followed  Vinney Kelly s link  Migrating MSBuild-Integrated solutions to Automatic Package Restore  and     That worked LIKE A CHARM        MSBuild  use the msbuild  t restore command  which restores packages   packages listed in the project file  PackageReference only   Available   only in NuGet 4 x  and MSBuild 15 1   which are included with Visual   Studio 2017  nuget restore and dotnet restore both use this command   for applicable projects

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Use this command to restore all packages  dotnet restore

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Optionally you can remove all folders from  packages  folder and select  Manage NuGet Packages for Solution      In this case  Restore  button appears on NuGet Packages Windows

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Even simpler  add a  nuget folder to your solution and the  Restore Nuget Packages  will appear  not sure whether nuget exe needs to be present for it to work

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I am facing the same problem  I am trying to add a MVC project which was created on Visual Studio 2015 to a solution that I made on Visual Studio 2019    There are already existing projects on Visual Studio 2019  so adding this existing project which I created on VS 2015 triggers this same error  I ve tried all the answers here but it doesn t fixes the problem   What I did is just put the  nuget folder on the solution folder  Originally the hierarchy of the folder is this   Solution Folder  VS 2019    - gt  MVC 1 Project   - gt  MVC 2 Project   - gt  MVC 3 Project  Project that I am adding           - gt   nuget folder  It contains a  nuget folder    So the issue was fixed when I moved the  nuget folder on the solution folder itself       Solution Folder  VS 2019    - gt  MVC 1 Project   - gt  MVC 2 Project   - gt  MVC 3 Project  Project that I am adding    - gt   nuget folder  It contains a  nuget folder

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When upgrading projects with nuget packages from Vx20XX to VS2015  you might have a problem with nuget packages    Example of error message  This project references NuGet package s  that are missing on this computer  Enable NuGet Package Restore to download them    Update 2016-02-06  I had a link to the information but it does not work anymore  I suspect that a recent path has solved the problem      I fixed my problem writing a little program that do MSBuild-Integrated package restore vs  Automatic Package Restore  You can download executable of the tool here   Please let me know the result  -       Code as reference    lt Window x Class  FixNuGetProblemsInVs2015 MainWindow          xmlns  http   schemas microsoft com winfx 2006 xaml presentation          xmlns x  http   schemas microsoft com winfx 2006 xaml          xmlns d  http   schemas microsoft com expression blend 2008          xmlns mc  http   schemas openxmlformats org markup-compatibility 2006          xmlns local  clr-namespace FixNuGetProblemsInVs2015          mc Ignorable  d          Title  Fix NuGet Packages problems in Visual Studio 2015  By Eric Ouellet   Height  350  Width  525  gt       lt Grid gt           lt Grid RowDefinitions gt               lt RowDefinition Height  Auto  gt  lt  RowDefinition gt               lt RowDefinition Height  Auto  gt  lt  RowDefinition gt               lt RowDefinition Height     gt  lt  RowDefinition gt               lt RowDefinition Height  Auto  gt  lt  RowDefinition gt           lt  Grid RowDefinitions gt            lt Grid ColumnDefinitions gt               lt ColumnDefinition Width  Auto  gt  lt  ColumnDefinition gt               lt ColumnDefinition Width  10  gt  lt  ColumnDefinition gt               lt ColumnDefinition gt  lt  ColumnDefinition gt           lt  Grid ColumnDefinitions gt            lt TextBlock Grid Row  0  Grid Column  0  gt Root directory of projects lt  TextBlock gt           lt Grid Grid Row  0  Grid Column  2  gt               lt Grid ColumnDefinitions gt                   lt ColumnDefinition gt  lt  ColumnDefinition gt                   lt ColumnDefinition Width  Auto  gt  lt  ColumnDefinition gt               lt  Grid ColumnDefinitions gt                lt TextBox Grid Column  0  Name  DirProjects  gt  lt  TextBox gt               lt Button Grid Column  1  VerticalAlignment  Bottom  Name  BrowseDirProjects  Click  BrowseDirProjectsOnClick  gt Browse    lt  Button gt           lt  Grid gt            lt  -- lt TextBlock Grid Row  1  Grid Column  0  gt Directory of NuGet Packages lt  TextBlock gt           lt Grid Grid Row  1  Grid Column  2  gt               lt Grid ColumnDefinitions gt                   lt ColumnDefinition gt  lt  ColumnDefinition gt                   lt ColumnDefinition Width  Auto  gt  lt  ColumnDefinition gt               lt  Grid ColumnDefinitions gt                lt TextBox Grid Column  0  Name  DirPackages  gt  lt  TextBox gt               lt Button Grid Column  1   Name  BrowseDirPackages  Click  BrowseDirPackagesOnClick  gt Browse    lt  Button gt           lt  Grid gt -- gt            lt TextBox Grid Row  2  Grid Column  0  Grid ColumnSpan  3  Name  TxtLog  IsReadOnly  True  gt  lt  TextBox gt            lt Button Grid Row  3  Grid Column  0  Click  ButtonRevertOnClick  gt Revert back lt  Button gt           lt Button Grid Row  3  Grid Column  2  Click  ButtonFixOnClick  gt Fix lt  Button gt       lt  Grid gt   lt  Window gt    using System  using System Collections Generic  using System ComponentModel  using System Diagnostics  using System IO  using System Linq  using System Text  using System Threading Tasks  using System Windows  using System Windows Controls  using System Windows Data  using System Windows Documents  using System Windows Forms  using System Windows Input  using System Windows Media  using System Windows Media Imaging  using System Windows Navigation  using System Windows Shapes  using System Xml  using System Xml Linq  using Application   System Windows Application  using MessageBox   System Windows MessageBox        lt summary gt      Applying recommanded modifications in section    MSBuild-Integrated package restore vs  Automatic Package Restore      of   http   docs nuget org Consume Package-Restore Migrating-to-Automatic-Package-Restore      lt  summary gt   namespace FixNuGetProblemsInVs2015            lt summary gt          Interaction logic for MainWindow xaml          lt  summary gt      public partial class MainWindow   Window               public MainWindow                         InitializeComponent                 DirProjects Text     c  prj                  DirPackages Text     C  PRJ NuGetPackages                      private void BrowseDirProjectsOnClick object sender  RoutedEventArgs e                        FolderBrowserDialog dlg   new FolderBrowserDialog                dlg SelectedPath   DirProjects Text              if  dlg ShowDialog      System Windows Forms DialogResult OK                                DirProjects Text   dlg SelectedPath                                     private void BrowseDirPackagesOnClick object sender  RoutedEventArgs e                          FolderBrowserDialog dlg   new FolderBrowserDialog                dlg SelectedPath   DirPackages Text              if  dlg ShowDialog      System Windows Forms DialogResult OK                                DirPackages Text   dlg SelectedPath                                        private string  dirPackages           private void ButtonFixOnClick object sender  RoutedEventArgs e                        DoJob false                      private void ButtonRevertOnClick object sender  RoutedEventArgs e                        DoJob true                      private void DoJob bool revert   false                        TxtLog Text                    string dirProjects   DirProjects Text                  dirPackages   DirPackages Text               if   Directory Exists dirProjects                                 MessageBox Show  Projects directory does not exists      dirProjects                   return                               if   Directory Exists  dirPackages                                   MessageBox Show  Packages directory does not exists       dirPackages                   return                               RecurseFolder dirProjects  revert                      private void RecurseFolder string dirProjects  bool revert   false                        if  revert                                Revert dirProjects                             else                               FixFolder dirProjects                              foreach  string subfolder in Directory EnumerateDirectories dirProjects                                 RecurseFolder subfolder  revert                                    private const string BackupSuffix     fix nuget backup            private void Revert string dirProject                        foreach  string filename in Directory EnumerateFiles dirProject                                 if  filename ToLower   EndsWith BackupSuffix                                         string original   filename Substring 0  filename Length - BackupSuffix Length                       if  File Exists original                                                 File Delete original                                                                                       File Move filename  original                       Log  File reverted      filename        gt      original                                                      private void FixFolder string dirProject                        BackupFile System IO Path Combine dirProject   nuget targets                 BackupFile System IO Path Combine dirProject   nuget exe                  foreach  string filename in Directory EnumerateFiles dirProject                                 if  filename ToLower   EndsWith   csproj                                          FromProjectFileRemoveNugetTargets filename                                                      private void BackupFile string path                        if  File Exists path                                 string backup   path   BackupSuffix                  if   File Exists backup                                         File Move path  backup                       Log  File backup      backup                                     else                                       Log  Project has already a backup      backup                                                      private void FromProjectFileRemoveNugetTargets string prjFilename                        XDocument xml   XDocument Load prjFilename                List lt XElement gt  elementsToRemove   new List lt XElement gt                  foreach  XElement element in xml Descendants                                  if  element Name LocalName     Import                                         var att   element Attribute  Project                        if  att    null                                                if  att Value Contains  NuGet targets                                                          elementsToRemove Add element                                                                                      if  element Name LocalName     Target                                         var att   element Attribute  Name                        if  att    null  amp  amp  att Value     EnsureNuGetPackageBuildImports                                                 elementsToRemove Add element                                                                      if  elementsToRemove Count  gt  0                                elementsToRemove ForEach element   gt  element Remove                     BackupFile prjFilename                   xml Save prjFilename                   Log  Project updated      prjFilename                                    private void Log string msg                        TxtLog Text    msg     r n

User · Answer

For  NET Core projects  run dotnet restore or dotnet build command in NuGet Package Manager Console  which automatically runs restore   You can run console from     Tools   NuGet Package Manager   Package Manager Console

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Microsoft has dropped support for the  Enable NuGet Package Restore  in VS2015 and you need to do some manual changes to either migrate old solutions or add the feature to new solutions   The new feature is described pretty well in NuGet Package Restore  There is also a migration guide for existing projects  as previously mentioned  here  NuGet Migration Guide When upgrading   do not delete the  nuget directory  Delete the nuget exe and nuget targets files  Leave the nuget config  Purge each of the project files of any reference to the NuGet targets by hand   The Powershell script mentioned seemed to do more damage than good   When creating a new project   In your Visual Studio 2015 solution  create a Solution Directory called  nuget   Create an actual directory of the solution directory  where the  sln file lives  and call it  nuget  note that the solution directory is not the same as the actual file system directory even though they have the same name    Create a file in the  nuget directory called nuget config   Add the  nuget config  to the solution directory created in step  2   Place the following text in the nuget config file    lt  xml version  quot 1 0 quot  encoding  quot utf-8 quot   gt    lt configuration gt     lt config gt       lt add key  quot repositorypath quot  value  quot               Packages quot    gt     lt  config gt     lt solution gt       lt add key  quot disableSourceControlIntegration quot  value  quot true quot    gt     lt  solution gt   lt  configuration gt      This configuration file will allow you to consolidate all your packages in a single place so you don t have 20 different copies of the same package floating around on your file system   The relative path will change depending on your solution directory architecture but it should point to a directory common to all your solutions  You need to restart visual studio after doing step 5  Nuget won t recognize the changes until you do so  Finally  you may have to use the  Nuget Package Manager for Solutions  to uninstall and then re-install the packages   I don t know if this was a side-effect of the Powershell script I ran or just a method to kick NuGet back into gear   Once I did all these steps  my complicated build architecture worked flawlessly at bringing down new packages when I checked projects out of TFVC

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If you have any problems or are missing any packages you can simply right-click in your project and select  Manage NuGet Packages for Solution      After clicking on this a screen will open where you see a menu bar saying  Restore     Click on it and the required packages will be installed automatically  I believe this is what you re looking for  this solved my problems

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I faced the same issue while trying to build sample project gplus-quickstart-csharp-master   I looked closely error message and found a workaround from overcoming this error  hopefully  this will help    Right click on solution file and open in windows explorer   Copy  nuget folder with NuGet Config  NuGet exe   NuGet targets  download link or simply copy from other project and replaced  Try to rebuild solution    Enjoy

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