39,460 questions
0
votes
1
answer
55
views
Using LibreOffice portable to convert Excel to PDF in an ASP.NET Core Web API (IIS and IIS Express for development)
I had used LibreOffice portable a while back to convert documents to PDF and I cannot for the life of me figure out how to do it again.
Every time I run this in IIS Express for development I am ...
- 1,843
0
votes
0
answers
48
views
Deploying Node.js application to IIS(CORS error though configured CORS configuration in Node.js server page) [duplicate]
I tried to deploy a Node.js application to IIS. I tried to send multipart form data from a frontend API as a post request. Though I have enabled CORS configuration in Node.js server.js page, CORS ...
2
votes
1
answer
94
views
How to resolve SSLPeerUnverifiedException: Hostname not verified in HttpsURLConnection in NET.MAUI Android app?
My NET.MAUI Android app is throwing SSLPeerUnverifiedException: Hostname 192.168.100.2 not verified when sending POST request to a PHP script located on my desktop's IIS localhost, as shown below.
...
0
votes
0
answers
93
views
Adding Authorization Middleware to Blazor App causes errors when hosted in IIS
I have a Blazor Server app that requires users to sign in with a Microsoft account (within my company's tenant). I'm trying to further secure it by only allowing users who meet a certain criteria, but ...
- 653
-1
votes
1
answer
98
views
Unable to connect to local database using local IIS instance
Firstly there's a similar question on Stack overflow, and I have tried suggestions from the responses, none of which have worked.
I have SQL Server and IIS running on my development machine and have ...
- 1,375
0
votes
0
answers
56
views
Why does HttpSendHttpResponse with CachePolicy not cache responses in HTTP.sys?
I am writing an HTTP server in Delphi on top of HTTP.sys.
I want to let the kernel cache certain GET responses so they are served directly without my code seeing the request again.
Here’s the ...
- 13.3k
3
votes
0
answers
114
views
IIS time-taken shows multi-second latency while ASP.NET webforms → WCF → SQL timings are sub-second (intermittent)
Project flow / tech stack
.NET Framework 4.8
I am using ASP.NET webforms
In the same project, I have an Ajax WCF web service
That web service calls APIs in another .NET Framework WCF project
The WCF ...
- 31
0
votes
1
answer
76
views
HttpWebRequest works in WinForms but fails under IIS
I’m trying to send a simple HttpWebRequest through a proxy configured as the default proxy for my account.
When I run the following code from a WinForms application, the request goes through as ...
- 5,297
0
votes
1
answer
63
views
SSO with Shibboleth and Azure on IIS site with 2 bindings
I have a site that hosts some apps on IIS.
It is configured for SSO with shibboleth and azure.
The issue is that i have a new URL now and i want it to work conncurrently with the old one SSO and all
f....
- 43
0
votes
2
answers
103
views
Setting certificate information after creating an IIS website with https binding via Microsoft.Web.Administration.ServerManager
I'm writing a PowerShell script to set up several websites on developers' machines in IIS (not IIS Express).
I understand that the current recommendation (as at 2025) is to create IIS websites using ...
- 20.3k
0
votes
1
answer
51
views
Blazor server project not displaying content with path stored in a SQL database
This is a Blazor server rendered project, in .NET 9, published on IIS.
I'm trying to pull paths to images and other files from the database that are currently stored in the format:
~/TopicDirectory/...
- 11
0
votes
0
answers
75
views
Deploy Next15 application on IIS server
I have created a nextjs application and want to deploy it on IIS server. Referring multiple docs, I created the following dir structure under iis:
Post deployment and testing in localhost of iis, I ...
- 247
0
votes
1
answer
93
views
Running .exe from aspx webservice does not work after hosting on IIS
I have a vb6 .exe which runs a SQL command during an .aspx web service method. It runs well when debugging, but when I run it after hosting in IIS, it shows an error.
This is my code:
System....
- 317
0
votes
0
answers
73
views
Angular App with .NET 9 Backend Using Windows Authentication Triggers login Popupon browser randomly
I'm facing an issue with Windows Authentication in a full-stack app:
Tech Stack:
Frontend: Angular 9.1
Backend: ASP.NET 9 (hosted on IIS)
Authentication: Windows Authentication (WinAuth)
Hosting: ...
- 29
1
vote
1
answer
175
views
Blazor web app .NET 9: I can open and manage SQLite database in debug mode, but not in the hosted web app in IIS
Today was the second day since I noticed this exception:
A database operation failed while processing the request. SqliteException: SQLite Error 14: 'unable to open database file'.
Applying existing ...
- 1,920
-1
votes
1
answer
122
views
IIS/ASP.NET/Umbraco exception on on w3wp.exe and pcre.dll
I have a Windows Server 2025 VPS managed using Plesk for Windows. On it, I host multiple Umbraco websites. Since recently, an issue occurs where some sites' application pools appear to crash, taking ...
- 139
0
votes
1
answer
169
views
How do I configure garbage collection for a ASP.NET 4.8 IIS application pool?
I'm trying to fine tune performance/memory usage of a ASP.NET 4.8 web application in IIS. I did all the measurements and determined that I'd like to sacrifice a bit of performance for lower memory ...
- 173k
0
votes
0
answers
68
views
Allowing Anonymous Authentication in IIS breaks Windows Authentication
In a aspnet.core application I added the following middleware:
app.Use(async (context, next) =>
{
var authService = context.RequestServices.GetRequiredService<IAuthenticationService>();
...
0
votes
0
answers
87
views
ASP.NET Core 8 MVC app in IIS fails to start – still trying to open one file
I'm trying to host an ASP.NET Core 8 MVC application on IIS (Windows 10), but the application fails to start. The browser just hangs, and in the Event Viewer I noticed it's trying to open a file, ...
- 11
0
votes
1
answer
156
views
ASP.NET Core minimal API route containing URL does not work behind IIS
I am writing ASP.NET Core 9 application using the minimal API. In this application I have a route that accepts an absolute URL as part of the route. This works when I run the ASP.NET application ...
- 192
0
votes
0
answers
74
views
IIS crashing seemingly at random during the day
Over the last couple of weeks, my IIS Server has been experiencing some weird crashes. It's an IIS 10 running on a Windows 2019 Server.
I have 2 production web apps running on the server, both on .NET ...
- 240
0
votes
1
answer
32
views
Save file pdf in secure shared folder from iis application
I have a .NET Core application in C# that creates .pdf file and saves the file in a security shared folder. It works fine on my localhost, but when I publish my app to IIS server, I get an error "...
- 31
0
votes
1
answer
79
views
How do I resolved Request filtering feature on IIS error
I hosted a .net8 core application on IIS server, I enabled and added http verbs using request filtering on IIS, it works for some days, but I don't know what changed.
when i click on Request filtering ...
0
votes
1
answer
298
views
When running PowerShell Command Get-ExoMailbox -->assembly's manifest definition does not match the assembly reference. (0x80131040)
When I run this PowerShell script in ISE on the server, it works:
# Connect to Exchange Online
$CertThumbPrint = "111"
$AppID = "222"
$Org = "333.onmicrosoft.com"
Connect-...
- 449
1
vote
2
answers
85
views
Is There a List of File/Product Versions for the .NET Core Hosting Bundle?
We're doing some maintenance on a few web servers that we've installed the .NET Core Hosting Bundle (so apps can run under IIS). We can find the hosting bundle file (aspnetcorev2.dll), and I am able ...
- 1,925