Questions tagged [asp.net]

Web application framework developed by Microsoft

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IIS aborts request thread with Win32 status 995

We have a site where we have trouble on our production server, but not on my dev machine with request beeing aborted (hence, zero response). It fails after exactly 1:19 minutes each time, and the ...
jishi's user avatar
  • 878
8 votes
0 answers
4k views

Use perfmon to monitor a specific ASP.NET webapp across worker process restarts, IIS restarts, etc.?

I have a few perfmon performance counters that I'd like to track for a specific ASP.NET application over an extended period of time, say a week or a month. The trouble is that perfmon counters are ...
Chris's user avatar
  • 1,073
5 votes
0 answers
309 views

IIS 500.19 error on 0.01% of requests

We have deployed a simple ServiceStack application delivering Podcast RSS-feeds in IIS 7. Scouring the IIS logs, we found that a tiny amount of the requests get a HTTP 500.19 error code. Of the ~550 ...
Øyvind Holmstad's user avatar
5 votes
0 answers
157 views

Corrupt General Tab in Event Viewer

Whenever ASP.NET reports a dangerous query string value to the Application log and the request contains a certain combination of characters; the event viewer will not show the error information and ...
W4keDotNet's user avatar
4 votes
0 answers
331 views

How to enable two consecutive periods in URL without introducing a security vulnerability

I have a site running on IIS 7.5 which hosts some user-generated content. Recently, I came across a file with two periods in its filename. Let's call it foo..bar.jpg. When I attempt to access it, I ...
mm201's user avatar
  • 141
4 votes
0 answers
2k views

IIS Performance NUMA

I have been struggling with an IIS issue and can't seem to find any answers. Basically here is the setup. I have a Dell Server with 4 processors 10 cores each with hyper-threading enabled. Giving ...
user avatar
4 votes
0 answers
679 views

Error during GENERAL_REQUEST_ENTITY for POST results in ASP .NET session state never getting unlocked

I have been trying to chase down the root cause of a condition where ASP .NET session state remains locked after a web request has been terminated due to an unexpected error. We use the SQL Server ...
Jesse's user avatar
  • 151
3 votes
0 answers
81 views

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
3 votes
0 answers
598 views

PrivateBytesLimit in web.config doesn't change cache EffectivePrivateBytesLimit

Our web-server has a worker process (w3wp.exe) that uses too much memory. Following this answer I tried to limit how much memory the process can use for caching in the web.config: <system.web> ...
Hans Vonn's user avatar
  • 131
3 votes
0 answers
470 views

Firewall : Is inbound required for getting response while Outbound rule already there?

I developed one MVC web application which have Web APIs and hosted in Amazon Instance and one windows application for calling those APIs for getting response from that server. Both Web and Windows ...
Abhishek Parmar's user avatar
3 votes
0 answers
278 views

asp.net core publish cause ERROR_FILE_IN_USE

I deploy using VS2015 by publish to production share folder, but if the site is running the publish script will stop at ERROR_FILE_IN_USE because of asp.net Core is using an executable as web server. ...
Charles Chou's user avatar
3 votes
0 answers
1k views

ASP.NET Temporary files taking up too much space

I have approximately 900 applications running on the server where each one points to a folder that contains content that is about 215MB in size. When I noticed that my server's hard drive was almost ...
Alex Denysenko's user avatar
3 votes
1 answer
73 views

IIS Outbound Bandwidth 2008 vs 2012

I'm working on a project to upgrade web servers to 2012 from 2008. I have the 2012 machines built up and ready to go with site code cloned from the current production 2008 machines, but when load ...
AaronR's user avatar
  • 31
3 votes
0 answers
2k views

Azure ASP.NET website http requests queued

We have a website deployed on Azure that has dreadful performance. When load increases, response times increase to whole minutes! CPU load is not even high, somewhere in the 40% region (we run one ...
Razzie's user avatar
  • 173
3 votes
1 answer
3k views

Configure IIS to return 404 for directory browse attempts

In IIS (6 or 7), when Directory Browsing is disabled, IIS returns a "403 - Forbidden" error when it detects an attempt to browse a directory (eg "http://mydomain.com/folder"). Is there any way to ...
Tom Regan's user avatar
  • 133
3 votes
0 answers
2k views

ASP.Net/ASP.Net MVC Sites Hanging Indefinitely on IIS 8 on Windows 8

Environment I have recently been experiencing weird behaviour in my development environment when running ASP.Net websites locally on my Windows 8 development computer via IIS8. I have observed the ...
Zac's user avatar
  • 163
3 votes
0 answers
333 views

ASP.NET directories blocked from VisualSVN Server behind reverse proxy in IIS 6

I’ve got VisualSVN Server running behind a reverse proxy in IIS 6, Windows Server 2003. This isn’t ideal, but for the main web app on the server I’ve only got one IP address and SSL certificate ...
user143344's user avatar
3 votes
0 answers
842 views

Win 2008 web server starts timing out when making web service calls

Our .NET web app makes web service calls to Amazon S3 and to a partner system. Out of nowhere, we've had two recent episodes where our web server starts to intermittently timeout on these calls. ...
Dave Clausen's user avatar
3 votes
1 answer
147 views

Performance issue for webserver

We have asp.net sites based on dotnetnuke architecture and we are having two load balancing server with 2 gigs and with 24GB Ram. and SQL Server is with 48GB Ram. But still we are having some problem ...
Jalpesh Vadgama's user avatar
2 votes
1 answer
192 views

Web site fails to start when trying to use shadow copy, no useful info in the event log

I have an ASP.NET Blazor web site, using .NET7 running on Windows Server 2022/IIS 10. Due to some problems I'm having with uploads, I decided to try enabling shadow copy, as this is supposed to avoid ...
Avrohom Yisroel's user avatar
2 votes
0 answers
1k views

Application Gateway’s ARRAffinity cookie domain does not match with site’s domain

I have configured an Application Gateway with the cookie-based affinity following this. The backend pool is configured as abc.azurewebsites.net. I have created a CNAME test.example.com to point to ...
user1663715's user avatar
2 votes
0 answers
4k views

asp.net core shows '0x80070002 HTTP Error 502.5

I am testing deployment of asp.net core 1.1 projects. I have two projects in the solution client and the identity server 4. I have succeeded deploying the client app and I can browse externally. ...
rlee923's user avatar
  • 151
2 votes
1 answer
96 views

Could not load file or assembly 'DotnetAgentHttpModule, Version=3.2.3.232

I have a number of .Net web applications hosted on Windows Server 2008 R2 Standard running IIS 7.5. Loading each application throws the following exception: Exception information: Exception type:...
Dave's user avatar
  • 21
2 votes
0 answers
286 views

ASP.NET application impersonate user with netonly to access network share

We have an ASP.NET application running on Server A which is on its own domain, in the web.config we are impersonating a user. Now this application needs to access a folder on Server B which is on a ...
Ray's user avatar
  • 159
2 votes
1 answer
2k views

Increase RAM usage for IIS server

I am running a large scale ERP system on the following server configuration. The application is developed using AngularJS and ASP.NET 4.5 Dell PowerEdge R730 (Quad Core 2.7 Ghz, 32 GB RAM, 5 x 500 GB ...
Shuaib's user avatar
  • 121
2 votes
1 answer
3k views

IIS 8 Server Too Busy

I've been working on it for a few weeks. I've an IIS 8.0 Server hosting, ASP .NET 4.0 application in Classic mode. Two of the files are GET which do file system reads for every request and one is post ...
ptntialunrlsd's user avatar
2 votes
0 answers
5k views

What is throttling max concurrent connections? IIS? Windows Server?

I have an asp.net app deployed on IIS, and have recently upgraded CPU and memory to double what it was in hopes that more concurrent users would be supported. Still though in my load test it seems ...
KateMak's user avatar
  • 123
2 votes
0 answers
9k views

"Error 7 (net::ERR_TIMED_OUT)" in chrome for local web app

Since about two weeks (around when Google updated stable to version 26), our internal users began receiving periodical timeouts upon requesting pages within our locally hosted app (from Google Chrome)....
David Budiac's user avatar
2 votes
0 answers
2k views

How do I configure mod_mono to use ASP.NET 4?

I am running a VPS with Centos 6.3, with WHM 11.34.1 (build 11). I wish to use mod_mono to host an ASP.NET 4 application. (Background: I am rewriting a hobby PHP website in ASP.NET MVC 4, and want to ...
Mike Caron's user avatar
2 votes
0 answers
466 views

IIS 6.5 application hangs - strange behavior

Ok, here are the symptoms in chronological order: (iis 6.5 - asp.net 2.0 - windows server 2003) Application pool drops all requests. (dropped, and abandoned by reqQueue) Trying to log into ...
Taylor Brown's user avatar
2 votes
0 answers
384 views

IIS6 Web Extensions change to prohibited after iisreset or server reboot?

We run IIS6 in 64-bit mode on a 64-bit server. I'm trying to allow the .net 2.0 extension to run and prohibit the 32-bit version. See below screenshot for context: However, after a reboot or iisreset,...
Ryan Mortier's user avatar
2 votes
0 answers
795 views

Deploying a ASP.Net WebAPI website and DMZ

I have a set of RESTful services developed using ASP.Net WebAPI which is a single project. I handle authentication via ASP.Net's built in Forms Authentication (cookie based) mechanism which is also ...
Harindaka's user avatar
  • 121
2 votes
1 answer
1k views

IIS 7 and ASP.NET State Service Configuration

We have 2 web servers load balanced and we wanted to get away from sticky sessions for obvious reasons. Our attempted approach is to use the ASP.NET State service on one of the boxes to store the ...
Shawn's user avatar
  • 21
2 votes
0 answers
1k views

Website error: A generic error occurred in GDI+

The vendor one of our application has told me to call Microsoft for support on an error we are getting on their website. I'm hoping someone on here can assist. They have a feature that pulls a report ...
Meepster's user avatar
2 votes
1 answer
2k views

ASP.NET 4 IIS 7 web server timeout

I have 3 applications on the same web server. Two of them are configured in separate ASP.NET 4 application pools and and one of them is on an ASP.NET 2 application pool. I'm experiencing intermitent ...
user1684007's user avatar
2 votes
0 answers
792 views

What could be cause of ASP.NET State Server timeout?

I recently migrated an app from SQL Server backed sessions to the ASP.NET State Server. About once a week there is a brief failure of ASP.NET to connect to the state server. These last from 20 ...
RyanW's user avatar
  • 528
2 votes
1 answer
1k views

403 Forbidden when Deploying asp.net 4.0 site to IIS 7

So I have an EC2 instance running, the URL NoWeatherSurprises.com I have the DNS pointing there, and I set up a new site in IIS 7 and pointed it to a folder. I used Visual Studios Web Developer 2010 ...
Jordan's user avatar
  • 121
2 votes
0 answers
104 views

Login challenge missing after migrating asp website from .net 2.0 to 4.0

I'm upgrading an old internal website from .net 2 to 4 using this procedure from msdn. I mostly got rid of .net assembly references in the web.config and switched the DefaultAppPool. However when I ...
irco's user avatar
  • 151
2 votes
3 answers
385 views

Trivial Issue with ASP.NET 1.1 and SMTP

The server is running on: Windows Server Standard on SP2 IIS 7 with ASP.NET 1.1 IIS 6 for SMTP The server hosts many websites running ASP.NET 1.1. These websites use the built in SMTP server on IIS6....
Moushigo's user avatar
2 votes
1 answer
127 views

Migrating to IIS 7 from IIS 6

I am planning to migrate our windows 2003 server (with IIS 6) to windows 2008 (with IIS7). I have found that with this msdeploy migration tool. With this tool can export my websites package on to ...
Akshay's user avatar
  • 121
2 votes
2 answers
468 views

identity impersonation in IIS 7

I'm a bit consused by Identity Impersonation in IIS7.5 In the good old days you could just put in the web.config and call it good. Directories could then be locked down to a specific user, and then ...
John Hoge's user avatar
  • 619
2 votes
3 answers
925 views

IIS 6.0 / 2003 errors after app pool recycle

We're running IIS 6.0 on Windows Server 2003. The server is set up as UK English, which may have a bearing. Occasionally after an app pool recycle we'll see the corresponding ASP.NET 2.0 website start ...
Yellowfog's user avatar
  • 123
2 votes
0 answers
2k views

ADFS acting like it has a Relying Party Identifier blacklist?

In our development environment, we're having a problem with our configured Relying Parties in ADFS 2.0 that is baffling me. It's acting as though there is a blacklist of identifiers. We have 3 ...
Jaxidian's user avatar
  • 283
2 votes
1 answer
100 views

Load balanced asp.net websites and required memory usage

Each of my servers has 8Gb RAM and the memory usage hovers around 7Gb. I have a load balancer available to me but at the moment I'm worried that putting my sites through it will cause the platform to ...
user avatar
2 votes
0 answers
256 views

ASPNET Account Password

I have a Windows Server 2003 box with .Net Framework 2.0. I had the ASPNET account password set manually (done in the machine.config). Recently it was upgraded to .Net Framework 3.5. Apparently the ...
Dustin's user avatar
  • 475
2 votes
1 answer
4k views

Error 404 when accesing newly created ASP.NET website on IIS 7.0

I've created an ASP.NET website and published it to a file from visual studio. Then I've copied my folder to the inetpub\wwwrot directory. Next under IIS I've converted this folder to the application. ...
Wodzu's user avatar
  • 121
2 votes
0 answers
2k views

How can I exceed the 60% Memory Limit of IIS7

Pardon if this is more stackoverflow vs. serverfault. It seems to be on the border. We have an application that caches a large amount of product data for an e-commerce application using ASP.NET ...
madhatta's user avatar
  • 136
2 votes
1 answer
2k views

Trying to run an ASP.NET MVC application using Mono on Apache with FastCGI

I have a hosting account with DreamHost and I would like to use the same account to run ASP.NET applications. I have an application deployed in a subdomain, a .htaccess with a handler like this: # ...
Arda Xi's user avatar
  • 71
2 votes
3 answers
245 views

Asp.net error messages when on server are not displayed

I have been tasked with setting up asp.net websites on a windows server 2008 which are all in debug mode When browsing a website on the server and an error occurs, for example the database connection ...
asn187's user avatar
  • 219
2 votes
1 answer
3k views

http service 503 unavailable Only for HTTPS

My azure website is working fine with http. Now, I have added a self-signed certificate and a binding in IIS 7. When I run the application with https, I get certificate error warning. When I confirm '...
Imran Qadir Baksh - Baloch's user avatar

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