IIS is Internet Information Services, the web server included with Microsoft's Windows Server operating systems. This is a generic tag. Wherever possible please use a *version-specific* tag, such as [iis7], [iis7.5], etc.

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1k views

IIS 7.5 - Disable Overlapped Recycle property not being obeyed when web.config is updated

I have a site which holds an exclusive lock on some resources. I used the .NET Application_Start and Application_End events to aquire and release the lock on these resources at the appropriate time. ...
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72 views

IIS 7 Redirect from HTTP to HTTPS fail with ampersand in URL

IIS 7 on Windows Server 2008 R2 SP1 I have added the following rule to my web.config to redirect all incoming request to HTTPS <rule name="HTTP to HTTPS redirect" stopProcessing="true"> ...
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5k views

Error connecting to MS SQL from one server but not the other

We got a MS SQL server and two web site servers. I'm in the process of moving all the sites from one of the web site servers to the new one. My asp.net sites are not able to connect to the external ...
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0answers
191 views

Windows 2003 IIS 6.0 w3wp PerfMon monitoring

We have a number of web applications set up as Virtual Directories under one web site on Windows 2003/IIS 6.0 servers. Each VirDir has a dedicated App Pool. One of my users wanted to know if I could ...
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0answers
483 views

IIS 6.0 SSL handshake error

Hi all I installed a trusted certificate in an IIS 6.0 server. I have the port 443 opened in the firewall and I verified the server is listening on that port. However when verifying using openssl I ...
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0answers
601 views

IIS7 proxying VisualSVN server refuses to allow Web.config files to be committed

I use IIS 7.5 with the Application Request Routing and URL Rewriting modules to act as a reverse proxy for several apache-based web sites, including VisualSVN Server. I'm having a problem when I try ...
3
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0answers
275 views

Restricting cache-storage for IIS server-side webrequests

We have several old websites running classic asp that invokes a series of HTTP-request to external systems (in this case, geo-ip-lookup). This is just a single request, resulting in a country-code as ...
2
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61 views

Network Load Balancing 2003 to 2012 R2 Upgrade

We currently have a 3 node windows 2003 NLB cluster running in Multicast mode, for a IIS web cluster. We want to upgrade to 2012 R2. About 15 sites/IP addresses total. Can you run 2012 R2 nodes in ...
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61 views

Delayed requests when using ARR with IIS 8.0 on Windows 2012

I've got a setup on Windows Server 2012 R2, using IIS8.0 which passes certain requests through to a custom backend using Application Request Rerouting. The backend is only listening on IPv4 on port ...
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0answers
48 views

IIS7.5 periodically stops serving static files

I have a website with an index.html file (that contains an html/javascript application) that leverages a json rest api(asp.net webapi in the same website) for data. Periodically, IIS will start ...
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60 views

CA is repeated in IIS https response, what is the configuration section to be checked?

This is about the https of the payment service provider we're using. We've notified them about the problem which causes some android devices to show SSL error message when the browser is redirected to ...
2
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0answers
131 views

IIS - CPU Usage Gradually Increases Over Several Days Until 100%

The picture explains it all. We have had a problem with an IIS MVC 5 website hosted on Microsoft Azure over the last several months. The site appears to continually eat up CPU over a few days until ...
2
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70 views

Restrict access to a subdomain with web.config on IIS7?

I need to password protect a "dev" subdomain on a server with the web.config file on IIS7. I don't have access to anything besides the files and web.config, so I can't install modules or anything else ...
2
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0answers
138 views

Use appcmd.exe to enable gzip compression on dynamic content on IIS 7.x

Every doc I can find discusses editing applicationHost.config in notepad to enable this. The real need: a) Via appcmd.exe or cmd line tool, enable dynamic compression to be configured in web.config ...
2
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0answers
251 views

how to configure IIS 7 so partial content requets/range requests on mp4 static files work.

I need help on how to setup IIS 7 so it can handle partial requests/range requests for serving mp4 files so Chrome can position seek and loop video. From what I have read IIS is supposed to support ...
2
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0answers
357 views

ARR reverse proxy to Azure Website inside Azure Cloud Service

I am trying to rewrite www.contoso.com/blog/ to a wordpress Azure Website (contosoblog.azurewebsites.net). I have completely configured all inbound and outbound rules, and have tested them locally on ...
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0answers
576 views

How do I reduce the threads per process limit for an ISAPI app under IIS 7.5

I have a python WSGI application running under an ISAPI extension in IIS 7.5 on Windows Server 2008. I would like to increase the number of worker processes (which I know how to do) and reduce the ...
2
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216 views

IIS7 ISAPIModule Intermittent Error 500 - Incorrect Function

I'm attempting to diagnose an intermittent failure of a web application. I've enabled failed request tracing, and have collected logs. The error I'm encountering is: ModuleName="IsapiModule", ...
2
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219 views

Risks of setting noCompressionForHttp10 and noCompressionForProxies to false

We recently switched to Amazon Cloudfront for static content. It seems that Cloudfront does HTTP 1.0 requests to the origin server (IIS 7.0) using the Via header. By default IIS 7.0 disables file ...
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450 views

lvs with NAT routing - horrible performance to one real server

I have an LVS setup with NAT routing and two real servers (as an FYI, we're only routing http on tcp port 80). Currently requests to real server A respond just fine, with page load times of 3-4 ...
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0answers
282 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 ...
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236 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 ...
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215 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 ...
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125 views

Windows Web Farm Framework Memory Allocation Issue

We have a web farm running two servers (W2K8 R2). Let's name them web01 and web02. Web01 has no problem, but web02 has a strange memory allocation problem with the WebFarmAgentService. For unknown ...
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649 views

Is it possible to use local web.config to enable keep-alive?

Is there any way to enable keep-alive on IIS 7 in a hosted scenario? I attempted to use the answer to this SO question Where (or how) is the keep-alive setting in web.config?. I added the following ...
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177 views

Can I include the path and query string in an IIS “Error Pages” redirect?

I'm setting up a custom 403.4 handler so that non-SSL requests to my site are redirected to a different URL - and what I'd like to do is to include the script path and query string in the redirect, so ...
2
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0answers
154 views

IIS Reverse Proxy Rewrite Rule usage monitoring

How can I display stats for each Rewrite rule in IIS when using it as a reverse proxy with ARR? We use 'Orenosp' Secure reverse proxy for some of our networks but use IIS + ARR for others and one of ...
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0answers
88 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 ...
2
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0answers
260 views

Forcing IIS virtual smtp server to verify outgoing TLS certificate

I am in a situation where a web application is using the IIS virtual SMTP server to send out email. The IIS virtual SMTP server is then configured to send all mail out through a smarthost, over TLS ...
2
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0answers
227 views

Setting PHP remote write permissions in IIS7

I have two windows server 2008 servers. One is a web server one is a file server. A php script runs on the web server and is supposed to write to the other server. I am getting a permissions error. I ...
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0answers
611 views

Content Encoding Error on new IIS 7 server with PHP

I recently moved a PHP (Cake framework) development site from an IIS 6 (x86) server to an IIS 7 server (x64). The content is all the same and the URL rewriting works, but on the attempt to display the ...
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0answers
381 views

IIS/VS2010 Web Deployment gives 404

I use 1 click publish to a few servers to deploy website from VS2010. All servers are running IIS7 under Windows 2008R2. 1 server is a bit special because it listens to port 80 but the firewall will ...
2
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0answers
406 views

What does Http.sys count as part of the request when it logs RequestLength in Httperr.log

On Windows Server 2003 with IIS 6.0, I am seeing that Http.sys blocks some incoming requests. Http.sys logs RequestLength in Httperr.log and returns status code 400. I have found an description ...
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0answers
13 views

IIS minimizing processes count

Warning: I am almost a complete newbie to server management, I have been running my own web servers for years but only at a very basic level. With that said, I am now on a VPS host which enforces a ...
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0answers
27 views

How to Upgrade to PHP 5.5 on Windows Server 2008

What is the proper way to upgrade from PHP Version 5.4.32 to PHP Version 5.5.22 on Windows? All that I can find is how to to install. PHP is already running on Windows Server 2008 R2 64 bit alongside ...
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0answers
34 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 ...
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0answers
16 views

windows server 2008 r2: ensure that your web role has the 'management tools' option installed

I installed web deploy 3.5 on my windows server 2008 R2 server. but Management server delegation seems not installed. I found the answer on serverfault. Can not see "Management Service ...
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14 views

Flush IIS7 logs manually on remote machine

I know how to flush IIS7 logs when I'm logged on some machine: netsh http flush logbuffer How can I do it on another machine?
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23 views

IIS URL Rewrite to act as 404 handler

How can I use the URL Rewrite module in IIS to mimic a generic 404 handler? It is easy enough to set up rewrite rules that match a specific pattern, but what I want to do is to set up a rewrite rule ...
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0answers
24 views

Can IIS handle a web application deployment under moderate user load?

It is my understanding that IIS should be able to handle a scenario, where I can xcopy updated web application files (.dll, .aspx, etc.) out to a running web server. IIS will detect that the files ...
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0answers
31 views

IIS Reverse Proxy to Tomcat uppercase path

We have an application being served by Tomcat 7 on port 8080. We want users to use SSL. So we are using IIS 8 as a Reverse Proxy to proxy connection from port 443 to port 8080. This is what we are ...
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0answers
25 views

What's the difference between a sessionKey and a key container?

I know how to export/import key containers in IIS using the aspnet_regiis command. Using that, I can export e.g. iisConfigurationKey that is used in applicationHost.config for the AesProvider and ...
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0answers
85 views

PHP temp uploaded files are not deleted on IIS due to 'Access Denied' for IUSR

When uploading a file by a HTML form to a PHP script, the uploaded file will remain in upload_tmp_dir, even when the request ended and this file was not removed explicitly by the PHP code. Expected ...
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0answers
33 views

IIS not picking up inherited connection strings

So this question is a duplicate of: IIS 7.5 - why my config file is not picked up but there was no answer on there and IIS Connection String not being inherited had an answer but the accepted answer ...
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83 views

Setting up SPN for SSRS in a CRM load balance environment

I'm getting this exception randomly in a CRM load balance LIVE environment when running Reports from CRM. System.ServiceModel.Security.SecurityNegotiationException: A call to SSPI failed, see inner ...
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65 views

ASP.DLL memory leak (or something) forcing constant restart of w3wp

We've been struggling with this for the past 12 or so months. We think it's due to either one or two apps that are leaking memory or a large amount of leaks that have finally accumulated over years of ...
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18 views

IIS removed application still remain appearing as folder content view (able to convert to application back again)

*IIS 7.5 *Windows Server 2008 R2 I have a folder physical path which is directed from two applications in IIS. 'Pineapple' and 'PineappleJR'. 'PineappleJR' was deleted, but it remains appearing in the ...
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0answers
60 views

IIS seems to think I have duplicate Custom Headers defined; complains about it

I am a software developer and I debug a website on my local machine in IIS 7.5. Recently I experienced problems with my machine that would not go away, so I backed up, formatted, resintalled Windows ...
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38 views

Complex IIS URL Rewrite

I've beat my head against Google trying to get this to work, but I suppose I just don't fully understand the rewrite engine or I stink at regex. Here's my scenario, though. I'm using IIS 7.5 with URL ...
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0answers
27 views

ModSecurity on IIS: Single threaded?

I installed ModSecurity on a web server running IIS 8.5, and noticed the response time has increased 15 times (0.15 ms/request vs. 2.2 ms/request), even with SecEngine set to off. It seems that IIS is ...