Questions tagged [.net]

The .NET Framework is a software framework for Microsoft Windows operating systems. It includes a large library, and it supports several programming languages which allows language interoperability

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Issues deploying .NET Core Web API on IIS: Web.config Error

Installation Steps: Installed the .NET Core Hosting Bundle for IIS on my desktop ( On a desktop as it's temporally for app demonstration purpose). Steps Taken: Published ed the Web API project in ...
Peter's user avatar
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Azure WebFunction does not respect host.json file

I'm running a WebFunction of type ServiceBusTrigger. Depending on the case, I need to abandon the message and put it back in the queue. However, I can only run it again after 30 seconds. I have ...
Marcelo Monteiro's user avatar
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1 answer
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Samba4 User password is not updated correctly via LDAP message, only via smbpasswd

I have set up a Samba4 AD DC, and I can successfully authenticate with my Administrator user from .net code: var directoryIdentifier = new LdapDirectoryIdentifier("127.0.0.1", 636); var ...
iSpain17's user avatar
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Access and restrict organization pages in client network

Im working on a sonarqube project for .net code which needs to be built to run the scan. However due to dependency issues, I'm planning to have the sonarqube set up (which runs on my organization VPN) ...
vinny's user avatar
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How can I tell what source IP address is used when our .NET Core application server makes a request to an external IP address restricted server?

I've been using Fiddler Classic to capture the traffic from our IIS web server on which runs a .NET core application which makes requests to an external IP address restricted servers (both test and ...
meekstay's user avatar
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1 answer
229 views

Errors running Asp.net Core website on Plesk on Windows Server 2019

I'm trying to run an Umbraco v12 (.NET Core 7) website on a client's Windows 2019 server, the only interface to which is Plesk control panel. I've verified that the .NET Core 7 framework is installed ...
Briquette's user avatar
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410 views

Web application not responding on IIS 10 after OS Upgrade

I upgraded to Windows 2022 and IIS 10 from Windows 2016 and IIS 8. But after the upgrade my 2 sites are badly affected. In the evening, when the traffic on the server increases, it goes into non-...
Anees's user avatar
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.NET Framework 4.8 Developer Pack installation hangs partway through

I'm trying to install .NET Framework Developer Pack 4.8, but it hangs during installation. The installer gets stuck at this point: and never finishes installing. I've left it running for hours with ...
Fodder's user avatar
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2 votes
1 answer
167 views

How do I install .NET system-wide on an arm64 Ubuntu server?

I'm trying to install .NET runtime 6.0.16 system-wide. I need multiple users on a server to be able to access this from PATH. Generally, Microsoft recommends to use apt to install .NET packages -- but ...
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IIS shutting down my application, returns 503 service unavailable

I'm trying to host an API I've done in dotnet core, very standard stuff, acceses and returns data from a Database. I've deployed to IIS before (not in this machine) and it usually goes all right, but ...
RedNet's user avatar
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Windows Server 2019 Cannot Install .NET 3.5

crosspost Microsoft IT Pro Tech Community crosspost r/sysadmin Windows Server 2019 Cannot Install .NET 3.5 I am running Windows Server 2019 (Version 1809, Build 17763.4499) and I cannot install .NET ...
Paul Boyer's user avatar
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1 answer
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Problems after installation of KB5025229/KB5025230 on Azure VM with Windows Server 2019/2022

After installation of KB5025229/KB5025230 we are getting errors in our software: System.IO.IOException: The process cannot access the file '{file}' because it is being used by another process. After ...
Poiter's user avatar
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2 answers
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.NET Framwork 3.5 Offline Unattended Install

I'm trying to install dotNet 3.5 on Windows 10 22H2. The target has no monitor and no access to the internet. When using the flags suggested by Microsoft /q /norestart, the package is not installed. ...
sailektiv's user avatar
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1 answer
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grpc_pass nginx configuration

When I do the same with resolver and set grpc_pass it fails: `server { listen 443 http2: server _name opc.org.com; ssl....; location / { resolver 127.0....
Константин's user avatar
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Issues updating .NET Core - what patch am I supposed to use?

For a while now our vulnerability scanner has been detecting out of date .NET components on one of our servers and a management workstation; this is related to some software we recently deployed on it....
The ITea Guy's user avatar
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998 views

How to debug random Outlook crashes (only happening with specific Add-in enabled)?

From a lot of our customers, we have been getting reports that Outlook unexpectedly crashes (complete process restart). So far it has been impossible to reproduce, we can only analyze the logs after ...
JakeDunn34's user avatar
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Why docker container is not using all CPU available?

I'm comparing the performance of an application running within a docker container (windows server image, legacy .NET framework app) against the same application running directly in the host machine. ...
Thomas C. G. de Vilhena's user avatar
3 votes
0 answers
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Found a bug in the URL rewrite module that we can't fix. Need suggestions for outbound URL rewriting

I'm looking for some high-level options for coding around a bug I discovered in the URL rewrite module for outbound URL's. We're at an impasse with Microsoft because they need a full crash dump, which ...
Jonathon Anderson's user avatar
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1k views

.NET Framework 4.8 install failing and rolling back on Win Server 2016 Core Edition

I'm unable to install .NET Framework 4.8 on a Windows Server 2016 Core Edition. Initial installation starts and gets to the point of: Installation completed successfully with success code: (...
jshizzle's user avatar
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Is there a practical limit on web services running in IIS?

Our company have 3 virtual machines allocated for software developers to deploy internal web services. The servers are setup as a server farm behind a net scalar load balancer. Each server has 12GB of ...
ninja coder's user avatar
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1 answer
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Nginx server blocks not redirecting

I am working on a project at https://modernamedia.no/ and I am trying to do a multiple of things redirect all calls to www.modernamedia.no to https://modernamedia.no/ proxypass localhost:5000 to api....
Stanley's user avatar
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1 answer
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Application Pool set to AlwaysRunning does not Auto Start The Hosted Service

I have configured an pool to auto-start and never sleep. I am having problems with the auto-start. My understanding is that a thread pool worker will be started after a recycle when that happens I ...
Ross Bush's user avatar
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2 votes
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.net core 6.0 on CentOS installs wrong version

These are 2 commands I ran trying to install .net core 6.0 on CentOS 8 Stream: sudo dnf install dotnet-runtime-6.0 Last metadata expiration check: 0:12:04 ago on Tue 23 Nov 2021 17:38:47 UTC. . . . ...
Boppity Bop's user avatar
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123 views

New Epyc vmware host slow for .net applications

We have a EPYC Rome 7502 host running vSphere v7.0.3, and for .net applications we're seeing a performance hit of around 50%, compared to the old host which is Xeon E5-2630. The performance hit in the ...
BJury's user avatar
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1 answer
238 views

Windows scheduled task - task with cmd script runs, but .NET console app doesn't

I'm creating Windows scheduled tasks in a Docker container with Powershell. As a test, I've got a simple batch file which writes the current date/time to a text file once an hour. This works perfectly:...
user873725's user avatar
1 vote
0 answers
2k views

systemd service starts ok, but hangs after restart

I am having a weird problem, I have set up a custom systemd service running a dotnet project. When the system first starts up, the service also starts just fine, however when I restart it, it hangs. ...
Aviad P.'s user avatar
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Domain name does not work

I created an app with azure, a such link https://viva.azurewebsites.net I got in the end. After that I bought a domain name. The domain provider created a A-Record and CNAME-record, everything is well ...
Sonic's user avatar
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1 vote
0 answers
305 views

Asp.net core To elastic beanstalk error 404 after deployment

I have an asp.net core web api that run an 404 after it get's deployed to elastic beanstalk. Any version from 1.0 to 5.0 all show the same error 404. The api works just fine on localhost but once it ...
Aboubacar Traore's user avatar
1 vote
1 answer
313 views

How to check application responding in Kubernetes

I have a .net framework application written in C# running in K8s orchestration. I simply want to check in fixed interval (lets say in every 300sec) that my application which is running inside pod is ...
solveit's user avatar
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How to downgrade from default .NET Framework on Windows Server 2019?

I have a VM running Windows Server 2019 Standard. The O/S came out of the box with .NET Framework 4.8. I need to run some custom software that, according to the vendor, specifically requires 4.7.2. (I ...
Don R's user avatar
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0 answers
558 views

Active Directory OU Access Control Entry ACE Issue .Net PowerShell and dsa.msc Discrepancy

I’m attempting to automate delegated permissions of an Active Directory (AD) Organizational Unit (OU) using Access Control Entries (ACE). However, I don’t fully understand Active Directory schema and ...
atothek's user avatar
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1 vote
1 answer
4k views

SQL Server: A connection was successfully established with the server, but then an error occurred during the pre-login handshake

When I try to connect to the SQL Server I get the following error: A connection was successfully established with the server, but then an error occurred during the pre-login handshake. (provider: TCP ...
Pawel's user avatar
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1 vote
1 answer
564 views

Deploying .NET 5 to IIS Server with SSL disabled

I am currently working on an .NET 5 & SignalR application and in localhost everything seems to be working fine. When I try to deploy it to IIS pre-production Server which doesn't have a SSL ...
Shpend Palushi's user avatar
2 votes
0 answers
1k views

How to update windows time zones list?

I have front-end and back-end systems using the System.TimeZoneInfo for retrieving Timezone by ID. There are several time-zones missing from the back-end machine (running windows Server 2012) and I'm ...
Abir Stolov's user avatar
0 votes
1 answer
2k views

My windows Task Schdulrer is raising this error "0xE0434352"

I have windows server 2012 R2, and i have some tasks inside Windows Task scheduler which use to work well, but yesterday they start to return this error 0xE0434352, as follow:- I checked the Event ...
test test's user avatar
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0 answers
2k views

Client sends "FIN, ACK" instead of "Client Hello" | Connection closed during SSL handshake | Haproxy

I am trying to establish SSL connection between the .NET WebSocket Client and my server by calling "wss://domain.xyz". Haproxy is handling the SSL handshake and once that is done it connect ...
Panays's user avatar
  • 1
0 votes
1 answer
2k views

new .NET version not showing up in Server Manager

I've installed .NET 4.7.2 on an EC2 running Windows Server 2016 but when I go to Server Manager > Add Roles and Features, I can't see that version anywhere in the Roles or Features lists for Web ...
JacobIRR's user avatar
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1 vote
1 answer
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How to secure a certificate private key in Windows?

I'm trying to secure a certificate's private key in Windows 10, but it looks like I'm misunderstanding what "Manage Private Keys" does. This is the process I followed: Edit - I tried ...
jimasp's user avatar
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-1 votes
1 answer
986 views

An hour difference in a Microsoft Web Server

All IIS logs on my server appear with and hour difference than what the server clock is set on. In addition if I execute getdate() from my app the result will be again with an hour difference. Any ...
Petar's user avatar
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0 votes
0 answers
147 views

Is it possible to install Windows Debugging Tools via Powershell?

I've installed LeanSentry on one of my web servers to try and diagnose some performance issues I've been having. I need to install Windows Debugging Tools (from the Windows SDK) to get some memory ...
andrewm's user avatar
  • 101
0 votes
1 answer
267 views

What is the best Azure service for running a .net core 3.1 console app on a schedule?

I have a .Net Core 3.1 console application that runs on a schedule (currently hosted on a VM). It gets some settings from it's config file and uses http to grab data from an API and feed it into a ...
R2Bleep2's user avatar
0 votes
1 answer
749 views

Is there a utility that will report the NET Framework versions installed on all computer in a domain? [closed]

I'm not a sysadmin myself but am asking this question on behalf of a client of mine, a "mom and pop" company without about 50 computers on a Windows Server network. They want a way for their ...
Tim's user avatar
  • 213
3 votes
1 answer
294 views

Derive IP Address of DNSNode record in Reverse Lookup Zone using LDAP query

Wanted to ask a question: How is it possible to derive IP address from querying a DNS Node in Reverse Lookup Zone with LDAP? To be more precise, I want to show you what I've been trying to achieve: ...
user3191591's user avatar
1 vote
1 answer
2k views

.net core 3 with Nginx reverse proxy redirect to port 5001, but no page is loaded

I'm trying to setup an ubuntu 18.04 droplet to run .Net Core 3.1 Web app. I'm following this tutorial. So far I have the nginx working (or at least I can see the nginx welcome page) if I write the ...
Peyu's user avatar
  • 123
1 vote
0 answers
445 views

RDP connection with gateway credential sharing between browser and RDP client

Our department is responsible for giving courses that, amongst others, rely on a fully working Windows domain. Let us call these environments simply System1, System2 and so on. The aim is to provide a ...
Muqq's user avatar
  • 11
2 votes
2 answers
155 views

What is this scripting and how it is using .NET 4.5? Is it C# scripting? PowerShell Scripting? VBA Scripting?

What is this scripting and how it is using .NET 4.5? Is it C# scripting? PowerShell Scripting? VBA Scripting? I've found this answer in another question and was curious about it. As it's using .NET ...
Daniel Paiva's user avatar
0 votes
1 answer
334 views

Azure Virtual machine scale set and .NET Core application

I am experimenting with Azure Virtual machine scale sets in order to achieve load balancing of the .NET Core application. Configuring actual scale set seems straightforward. Now, it comes with the ...
Dimitri's user avatar
0 votes
1 answer
284 views

iis virtual directory application using non admin custom account in app pool

web server Microsoft Windows Server 2019 DataCenter version 10.0.17763 there is a physical folder on the d drive folder1 --app1 --app2 --app3 --web.config folder 1 is set up as a web application in ...
Bryan Dellinger's user avatar
1 vote
3 answers
9k views

offline install.NET 3.5 with Windows 10

I have a work computer running windows 10, and with the way win10 does everything for you under the hood I would like clarification/help on the following because it seems like I am at a point of this ...
ron's user avatar
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0 votes
2 answers
159 views

In my registry I have the 4.5 .NET framework indicated as installed, but I can still patch 4.5.2 manually

I was trying to patch my Windows Server 2012s through a patching service, however the 4.5.2 patch was not showing up as applicable. After some digging with the service, we figured out that the ...
Kendall's user avatar

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