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.

learn more… | top users | synonyms

12
votes
0answers
3k 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. ...
6
votes
0answers
610 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 ...
5
votes
0answers
54 views

Is it possible to change the SSL binding order in IIS?

I have Site A in IIS 8.0 configured to an SSL certificate with the binding ###.###.###.###:443. I also have Site B configured to a different certificate with the binding ###.###.###.###:443 (same IP ...
5
votes
0answers
7k 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 ...
5
votes
0answers
514 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 ...
4
votes
0answers
341 views

Windows Authentication to a Remote Server within an Intranet Environment

I have several servers (all on the same DC) within an Intranet environment at my company. For simplicity, I'll focus my question on the IIS and SQL Servers. I have an IIS 7.5 web server and a remote ...
4
votes
0answers
343 views

IIS httpErrors ExecuteURL appends weird query string like 500;http://mysite.com/failed-page to the target URL

I've noticed weird behavior in IIS error pages. I've got this setup: <httpErrors errorMode="Custom" existingResponse="Replace"> <remove statusCode="500" /> <error statusCode="500" ...
4
votes
0answers
639 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 ...
4
votes
0answers
998 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 ...
4
votes
0answers
205 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 ...
4
votes
0answers
798 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
votes
0answers
38 views

ASP.NET Performance Counters Temporarily Drop To Zero

Having some performance issues with a VM Image (I do not have access to the VM Host, only the guest OS). Trying to determine why there are periods of time ranging from 10-60 seconds where the server ...
3
votes
0answers
90 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 ...
3
votes
0answers
424 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 ...
3
votes
0answers
146 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
votes
0answers
7 views

Modifying IIS Recycle period restarts timer?

My IIS is set to recycle after a specific elapsed time. What happens when I change this setting? Is the internal IIS timer resets, or does it continue from the same point in time? For example, the ...
2
votes
0answers
54 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 ...
2
votes
0answers
55 views

IIS application request routing changes 206 partial content to 200

I've setup a reverse proxy server in an azure cloud service using IIS rewrite rules and the Application Request Routing module (according to the instructions here. Everything is working well except ...
2
votes
0answers
41 views

IIS Connect As: Does website visitor inherit rights of specified account?

I have IIS on an Azure VM pointing to an Azure File Share for the website files/contents. To allow IIS to access the File Share, I created an account on the VM with the same credentials as the File ...
2
votes
0answers
87 views

Constrained Delegation between IIS, SQL Server, SSRS and File System

First of all, not sure which site is best suited for this question be it SO, SF or SU so please feel free to suggest migration! I have a requirement to constrain delegation between several machines ...
2
votes
0answers
138 views

Using Basic Authentication with IIS Manager Authentication

For a website I would like to add a Basic HTTP 401 Challenge so the visitor will be asked for a username and password before entering the site. Just like in Apache you can use htpasswd and htaccess. ...
2
votes
0answers
62 views

Secure Connection from DMZ Web Server to Internal Web Server

We have a .NET web service running on an internal IIS web server that allows outside organizations to send us documents that are then automatically filed on our Sharepoint server (running off the same ...
2
votes
0answers
306 views

Google Cloud HTTP balancer returns 502 error

I have 2 Instance groups and HTTP load balancers for each one. Instance groups contain VMs that work on Windows Server 2012 with IIS inside. When I send POST request from VM from one instance group ...
2
votes
0answers
164 views

Adding extra IP to NIC causes connectivity issues for main IP (Win Server 2012 / IIS)

I am experiencing a very odd situation: I have set up 8 IP addresses in a single NIC (plus it's main IP) for use as a web server - and have 8 websites happily running in IIS8. (The server in ...
2
votes
0answers
515 views

Is websocket reverse proxy possible with IIS 8.5 & URL rewrite 2.0?

I installed Tomcat as a java app server behind IIS. Using the following rules I can rewrite static pages just fine, but alas, websocket connections are never established: <?xml version="1.0" ...
2
votes
0answers
398 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 ...
2
votes
0answers
224 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 ...
2
votes
0answers
116 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 ...
2
votes
0answers
78 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
votes
0answers
290 views

Deploy RDWeb on a non-default website

I have a public website and a private site set up like below: Public site: samplesite.com (http) Private site: my.samplesite.com (https) I'm trying to use RDWeb to enable users to change Active ...
2
votes
0answers
203 views

truncating compressed files on some browsers

I am experiencing a weird file truncation issue on downloads from my site. I am using Azure IIAS with two Application Request Routing servers on a load balanced Azure endpoint. Those ARR servers are ...
2
votes
0answers
493 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
votes
0answers
606 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 ...
2
votes
0answers
336 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 ...
2
votes
0answers
409 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 ...
2
votes
0answers
567 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 ...
2
votes
0answers
253 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 ...
2
votes
0answers
132 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 ...
2
votes
0answers
1k 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 ...
2
votes
0answers
232 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
votes
0answers
320 views

Why are 301 redirects intermittently slow or time out in IIS 6?

I'm no IIS wiz, but I can provide any additional info that might be helpful. My site uses a 301 redirect to send requests for mysite.com to www.mysite.com. They are two separate sites in IIS. Most of ...
2
votes
0answers
178 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 ...
2
votes
0answers
94 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
votes
0answers
326 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
votes
0answers
352 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 ...
2
votes
0answers
789 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 ...
2
votes
0answers
415 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
votes
0answers
547 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 ...
1
vote
0answers
13 views

IIS and Tomcat: mixed content

I'm trying to setup a site in IIS that is serving a webapp running in Tomcat, as well as content in HTML, PHP and JS. I'd like to have all content available under one domain. I was following this ...
1
vote
0answers
13 views

IIS has read only web.config - shared config with azure file storage

Something is causing our web.config to be locked as read-only meaning that we can't edit it. According to an Unlock tool, it isn't locked. But as administrator on the box we can't edit it. We are ...