Verify Assemblies are loaded with GACUtil (2024)

I recently needed a customer to check the output of the .NET tool gacutil, so we could verify that all required assemblies were present. This guide details how to check GACUtil with the .NET Framework Developer pack.

Posted by : blakedrumm on

Category : troubleshooting guides

Verify Assemblies are loaded with GACUtil (1)

Contents

  • What is GAC?
  • Prerequisites
  • Check the currently installed Assemblies

What is GAC?

Each computer where the Common Language Runtime is installed has a machine-wide code cache called the Global Assembly Cache. The Global Assembly Cache stores assemblies specifically designated to be shared by several applications on the computer. More information can be found here: https://docs.microsoft.com/dotnet/framework/app-domains/gac

Prerequisites

Download and install the .NET 4.8 Framework Developer Pack on the affected machine: https://dotnet.microsoft.com/download/dotnet-framework/net48

Check the currently installed Assemblies

  1. Open a Powershell or Command Prompt as Administrator
  2. Navigate to the installation directory:
    cd "C:\Program Files (x86)\Microsoft SDKs\Windows\v10.0A\bin\NETFX 4.8 Tools"
  3. Run this GACUtil Command to List the Assemblies installed:
    Powershell:

    Command Prompt:

     gacutil /L

Verify Assemblies are loaded with GACUtil (2)


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About Blake Drumm

Verify Assemblies are loaded with GACUtil (3)

I like to collaborate and work on projects. My skills with Powershell allow me to quickly develop automated solutions to suit my customers, and my own needs.

Email : [emailprotected]

Website : https://blakedrumm.com

Verify Assemblies are loaded with GACUtil (2024)

FAQs

Verify Assemblies are loaded with GACUtil? ›

To get information on the the assembly attributes (Version, Culture, PublicKeyToken), run the gacutil /l command which will return a list of all the assemblies in the GAC. You can also see the information associated with a particular assembly using the -l parameter. For example: gacutil -l TelerikCommon*

How to check if assembly is installed in GAC? ›

To get information on the the assembly attributes (Version, Culture, PublicKeyToken), run the gacutil /l command which will return a list of all the assemblies in the GAC. You can also see the information associated with a particular assembly using the -l parameter. For example: gacutil -l TelerikCommon*

What is Gacutil in Windows 10? ›

The Gacutil.exe tool is a command line utility installed as part of the base . NET framework which can be used to add and remove application components to/from the GAC. The Gacutil.exe tool is located in the . NET Framework installation directory.

How to run gacutil in cmd? ›

You can run GACUtil using the Visual Studio Command Prompt. The Visual Studio Command Prompt is automatically installed with Visual Studio. To run the tool, use the Developer Command Prompt (or the Visual Studio Command Prompt in Windows 7). For more information, see Visual Studio Command Prompt.

How to access GAC assembly in C#? ›

The GAC is located in the following folder: C:\Windows\Microsoft.NET\assembly\GAC_MSIL. Search for the Telerik assemblies. That is all, you can remove the old assemblies directly from the search results.

How do I list all assemblies in GAC? ›

Check the currently installed Assemblies
  1. Open a Powershell or Command Prompt as Administrator.
  2. Navigate to the installation directory: cd "C:\Program Files (x86)\Microsoft SDKs\Windows\v10.0A\bin\NETFX 4.8 Tools"
  3. Run this GACUtil Command to List the Assemblies installed: Powershell: .\ gacutil /L. Command Prompt:
Apr 22, 2022

How do I load an assembly into GAC? ›

How to install or register an assembly in GAC
  1. Click Start > All Programs > Administrative Tools > Microsoft . NET Framework 2.0/4.0 Configuration.
  2. Click Manage the Assembly Cache.
  3. Select Add an Assembly to the Assembly Cache.
  4. Browse and select your DLL, which you want to install it in GAC.
  5. Click Open. ...
  6. Restart the IIS.
Mar 20, 2014

How to add GAC assembly as reference? ›

10 Answers
  1. Open the windows Run dialog (Windows Key + r)
  2. Type C:\Windows\assembly\gac_msil. ...
  3. Find your assembly and copy its path from the address bar.
  4. Open the Add Reference dialog in Visual Studio and choose the Browse tab.
  5. Paste in the path to your GAC assembly.
Jan 14, 2009

What is the tool used to manage the GAC? ›

There are two ways to interact with the GAC: the Global Assembly Cache Tool (gacutil.exe) and the Assembly Cache Viewer (shfusion. dll).

How to uninstall assembly from GAC using command prompt? ›

Use "gacutil /u" to remove the desired assemblies from the GAC.

How to use GAC? ›

GAC 900 is designed to be blended with standard artist acrylic paints, such as GOLDEN Heavy Body Acrylics. Start at a 1:1 mixing ratio of paint to GAC 900, and adjust as needed to modify the consistency for the type of paint application you intend to do.

Which assemblies can be stored in GAC? ›

The Global Assembly Cache (GAC) is a central repository for storing shared assemblies. The GAC allows multiple versions of the same assembly to be installed concurrently and also prevents different assembly vendors from overwriting each other's assemblies.

How to get current assembly in C#? ›

To get an Assembly object for the currently executing assembly, use the GetExecutingAssembly method. Many members of the Assembly class provide information about an assembly.

How do I see what is in GAC? ›

You view the content of the GAC using:
  1. The gacutil.exe tool with the -l option.
  2. For . NET 2.0, 3.0 and 3.5 (CLR 2.0) browsing to %windir%\assembly using the Windows Explorer.
Feb 29, 2012

Where is assembly in Visual Studio? ›

To access this dialog box, select a project node in Solution Explorer, and then, on the Project menu, select Properties. On the Application page, select the Assembly Information button.

How to remove an assembly from GAC? ›

Removing the assembly from GAC
  1. Start the . ...
  2. Select Assembly Cache from the tree view on the left.
  3. Click the View List of Assemblies in the Assembly Cache link.
  4. Find Sybase. ...
  5. Select one or more assemblies to remove. ...
  6. Check for the publisher policy files that correspond to the versions removed and remove these files too.

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