Skip to main content

How to identify which version of the .Net Framework you have installed

A recent legacy application port, to containerize, as a docker image, running as an Azure Web App, AKA Web App for Containers, required a custom install of .Net 4.6.1. As part of testing an upgrade from an unsupported .Net Framework version 4


The following is a useful way to determine the version of the 4 framework installed. Instead of creating a new hive under the NDP, a modification is performed to update the version, which on first glance is not obvious.


The first thing i encountered was a 500 error message on the site, with no application error log entries as it had not made it that far in the pipeline. was an initially confusing error message in the event viewer detailed below:
https://stackoverflow.com/questions/31253747/method-not-found-0-system-array-empty




  1. Launch the registry editor by typing regedit in a Run box.
  2. On the left-hand side, navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full
  3. If the Full subkey is not present, then you do not have the .NET Framework 4.5 or later installed.
  4. Select the key inside the Full subkey:
    NETFrame.png
  5. On the right hand side look for the DWORD value Release:
    NETDword.png
  6. Take note of the 6 digit number in brackets and look it up in the table below:
.NET Framework 4.5378389
.NET Framework 4.5.1 installed with Windows 8.1378675
.NET Framework 4.5.1 installed on Windows 8, Windows 7 SP1, or Windows Vista SP2378758
.NET Framework 4.5.2379893
.NET Framework 4.6 installed with Windows 10393295
.NET Framework 4.6 installed on all other Windows OS versions393297
.NET Framework 4.6.1 installed on Windows 10394254
.NET Framework 4.6.1 installed on all other Windows OS versions394271
.NET Framework 4.6.2 installed on Windows 10 Anniversary Update394802
.NET Framework 4.6.2 installed on all other Windows OS versions394806
.NET Framework 4.7 installed on Windows 10 Creators Update460798
.NET Framework 4.7 installed on all other Windows OS versions460805
.NET Framework 4.7.1 installed on Windows 10 Fall Creators Update461308
.NET Framework 4.7.1 installed on all other Windows OS versions461310
.NET Framework 4.7.2 installed on Windows 10 April 2018 Update461808
.NET Framework 4.7.2 installed on all other Windows OS versions461814

If you would like some hands on expertise for your business feel free to reach via my company assemblysoft or checkout some other musings via my blazor.net and azure blog here carlrandall.net

At Assemblysoft we specialise in Custom Software Development tailored to your requirements. We have experience creating Booking solutions, as we did for HappyCamperVan Hire. You can read more here.

We can onboard and add value to your business rapidly. We are an experienced Full-stack development team able to provide specific technical expertise or manage your project requirements end to end. We specialise in the Microsoft cloud and .NET Solutions and Services. Our developers are Microsoft Certified. We have real-world experience developing .NET applications and Azure Services for a large array of business domains. If you would like some assistance with Azure | Azure DevOps Services | Blazor Development  or in need of custom software development, from an experienced development team in the United Kingdom, then please get in touch, we would love to add immediate value to your business.

Assemblysoft - Your Safe Pair of Hands

https://assemblysoft.com/


Popular posts from this blog

Windows Azure Storage Emulator failed to install

CodeProject Windows Azure Storage Emulator failed to install When attempting to install a new version of the Azure Storage Emulator either as a separate installation package or automatically as part of an Azure SDK update, you may run into an error message which states the storage emulator has failed to install. This can occur using the Web Platform Installer (WebPI), NuGet Package Manager or when performing the install manually. Below is the message received using the WebPI.   Storage Emulator Background  (optional reading) The windows azure storage emulator executable lives under the Microsoft SDKs directory as shown below: Configuration If we take a quick look inside the WAStorageEmulator.exe.config file we can see each of the storage services pointing to local service endpoints. <StorageEmulatorConfig>     <services>       <service name=" Blob " url="http://127.0.0.1:10000/"/>       <service

Debugging Python and Iron Python using Visual Studio

Now Python is a first class citizen since the release of Visual Studio 2017 and can be configured directly from the Installation IDE, below are a few settings worth bookmarking for your next python integration project. Debugging Python One of the first things you are going to want to do is step through your code when using Visual Studio, particularly as the language is dynamic and inspection of local and global scope soon becomes necessary. One thing to note is that if you start from a native python project, this is all wired up for you but if you are using .Net to call python modules or want to support an older python version, such as 2.7, you will soon see that breakpoints are not being hit due to symbols not being loaded.   Enable Just My Code To distinguish user code from non-user code in .net, Just My Code looks at two things: PDB (Program Database) files, and Optimization Program Database A .pdb file, otherwise known as a symbol file, maps the identifiers

Azure DevOps Authorisation

Managing whether an identity has access to a given  service, feature, function, object, or method in Azure DevOps comes down to authorisation. Fortunately, by default, the DevOps permissions are set in such a way to enable you to focus on the job at hand, DevOps. Loosely translated this means 'don't get in my way'. My experience is that the Azure DevOps team have done a good job at this, enabling you to crack on developing, building, testing and releasing without much hindrance. Working with relaxed permissions is great when you are the owner and possibly either a one man band or small team but as soon as we need to consider larger teams, varying roles with approvals and degrees of access, authorisation becomes a real concern. I was recently involved in a project utilising offshore developers where trust was a concern and a number of specific teams handling specific roles needed to come together to approve a set of pipelines.  This article is a pick of findings a