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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Obtaining a Crash Dump from a dying IIS ASP.NET Worker Process

(Not sure if this is an IIS problem or not, so if this is better suited for SO I'll happily move it...) We have an IIS-hosted application that is sporadically dying, and the event logs claim that the ...
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78 views

How to configure DNS (outside Azure) and Windows VM in Azure

I have just started getting to grips with moving existing websites in to Azure on a Windows Server (2012) VM. How do I set the DNS records (managed away from Azure) to go to the site set up on that ...
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Linear increase in app pool threads in use with no requests being served

Yesterday afternoon, after some marketing efforts, we received a higher than average (but by no means dangerously high) traffic throughout the day. After this traffic had been going on for a while we ...
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IIS 6 Sending rules

I need to send all emails out as normal with the condition of gmail.com & gmail.co.uk emails. Which need to go via the google smtp relay service. Is this possible to setup on IIS 6? Basically 2 ...
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Identifying UserAgent strings that don't support TLSv1.1

I've created a tally from IIS logs of the last 18 months by User Agent string and created some Excel formulas to extract # of visits from XP/Vista machines using Internet Explorer. Could someone ...
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47 views

Authentification methods for non-public facing websites

We have two different kinds of websites in our company, one of those are public-faced websites where users have to have access without serverbased authentication (anonymous auth.) and other websites ...
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59 views

Robocopy and IIS log date modified behavior

I am trying to create a mechanism (in my case Robocopy wrapped in PowerShell) that will back up IIS logs from all of our web servers into a central CIFS share. As you'd expect, I've had issues with ...
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46 views

Does FTP service (IIS 7.5) on Windows 2008 R2 support kerberos authentication?

I have configured http service on IIS 7.5 for kerberos authentication. And it works fine. I have checked from linux box # klist Ticket cache: FILE:/tmp/krb5cc_0 Default principal: alex@EXAMPLE.NET ...
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Copy PHP website to virtual folder under IIS 8.5

I would like to make an existing PHP Website (Apache) run on a virtual folder under IIS 8.5. With the help of some nice online tools I translated the following .htaccess content: <IfModule ...
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20 views

Stopping IIS Application Pool: are in-flight requests drained?

Is there any official documentation on what happens with in-flight requests when an IIS Application Pool is stopped (either from withing the UI or programmatically)? I suspect that an AppPool is ...
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19 views

ARR keeps asking for authentication

I have a Windows Server 2012 R2 server with IIS and ARR installed. I have created a server farm for a website hosted inside my network (I only have 1 public IP available) but when I try to access ...
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URL rewrite is producing 404

I'm trying to rewrite office.domain.com/app1 requests to server3:81 using the rule below, but I'm getting a 404. I can browse to server3:81 just fine. The Failed Request Tracing logs are available ...
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In IIS 8 my virtual application is resolving to the root rather than itself

In IIS 8 I have a web site set up and a virtual application (not virtual directory), with its own application pool and its own web.config, aspx pages, database, etc. as an example: zippy.com (root ...
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40 views

Forms authentication redirects back to login page unless the app pool is recycled

We have an asp.net web app that uses forms based authentication, and we are having an issue with IIS and authentication. You will be able to authenticate for, Im just going to guess here an hour, ...
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15 views

Exchange Web Server exception : “Connection failed. Try later.”

Every time I try to call the server, I get an error code : ErrorConnectionFailed with Connection failed. Try later. message. I suspect that it comes from the fact that the credentials of ...
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In an Azure WebRole where is %AppData% redirected to?

I'm logging using NLog in an Azure WebRole to the "%appdata%" folder. But when I RDP into the Azure VM I can't find my log file anywhere -- %appdata% opens a folder the user I'm RDPed in as -- where ...
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76 views

Web deployment failing on IIS 8.5

I'm trying to get Web Deploy setup on an IIS 8.5 server running on Server 2012 R2. When attempting to deploy from Visual Studio I get the following error: Web deployment task failed. (Could not ...
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979 views

MS-Word 2016 crashes when trying to open a file in protected view from a local webdav server

I have a local webdav server running under IIS (although we discovered the problem when running our own webdav server). Starting last week ( and following an update to office ) Word crashes when we ...
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How does Application Request Routing handle failed requests?

I've got a two-server rig that is load balanced using a round robin algorithm that IIS governs via Application Request Routing (and the URL rewrite feature). I've reviewed some of the documentation ...
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34 views

Server is sending back text/html instead of javascript files

I have done a rewrite on the server using these conditions: AngularWildCard: (.) - rewrite to appjs/views/ AngularCondtions: (appjs/modules/.|appjs/agent/|appjs/user/.|content/.|scripts/.) - none ...
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119 views

SEVERE: Servlet.service() for servlet [CfmServlet] in context with path [/] threw exception

We have been running CF 11 U5 for a while now with no problems at all. We run CF Enterprise on IIS 8.5 on Server 2k12 64bit. Recently a few of our clients have been complaining that when they upload ...
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IIS server slows down with only a few tens of requests

I'm using IIS 7.5 with PHP and I'm having troubles with my application, it is VERY slow and it can take more than 30 seconds to respond sometimes. I believe this is due to some kind of queue of ...
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132 views

IIS 8.5 Credentials working for windows authentication but not for basic

I have an IIS 8.5 on a windows server 2012 machine. When I enable the windows authentication (basic authentication is disabled), I can access and see the home page of IIS (http://localhost) with the ...
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28 views

Use https for domain and http for subdomain

I have a virtual private server. I configured my DNS so that I can host an application for the main domain (let's say domain.com) and I configured the DNS so that *.domain.com is redirected to another ...
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160 views

Performance counter to show real IIS response time

What performance counter should I use to display current average IIS response time? ASP.NET counters correctly show the time spent in ASP.NET, but real latency is much bigger, which is confirmed by ...
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46 views

Access to the site hosted in a virtual machine

I have OwnColud on Ubuntu Server. Ubuntu Server is installed on a virtual machine in Windows Server 2012 R2. IIS is installed in Windows and has a site on port 80, and is available over the internet ...
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438 views

504 Gateway Timeout on HTTPS but not HTTP

I configured an AWS Load Balancer. It is working find on HTTP, but when I try over HTTPS I get a 504 Gateway Timeout Error. I tried all the suggestions on AWS's help page (increase idle timeout), but ...
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103 views

IIS server: directory not writable via symbolic link compared to directory junction (for only the first user)

We have the following setup for a webserver: Windows Server 2008 R2 Standard, IIS 7.5.7600.16385, PHP 5.3.28, the HMVC framework we use is Kohana. Kohana needs a cache directory to be writable in ...
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116 views

Setting up revers proxy on IIS 8.5 and Windows 2012 R2 does not work properly in some cases

I have installed Orchard as a CMS on our web server at a different port number. This CMS works fine when I try to access it through localhost. Everything looks normal. However, I'd like to publicize ...
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80 views

MIME/Content type changed after change in server

This is my first question so I apologize if I my post has any mistakes. I've searched about this issue for close to two days now and I still only am a bit closer than I was before.Here is my problem. ...
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35 views

Modules not loaded in IIS 8.0 ASP.NET application after reboot

I have 2 ASP.NET 4.5 WebForms applications, each running on 2 win-2012 servers (IIS 8.0). The applications have modules (both custom and from 3rd parties) defined in their web.config. Each application ...
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15 views

Anonymous Authentication Identity Win 2012 r2 security

I have a web app that uses PHP on the back-end, and the PHP executes powershell scripts to reset AD passwords through system calls. EX: shell_exec("powershell.exe -file ...
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405 views

Login Page Throws 401 with Forms Authentication

I've seen this question a few times on the internet, but no answer I've yet seen has solved my problem. I have forms authentication enabled in my application and anonymous access has been denied: ...
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123 views

Azure hosted website certificate chain (comodo) intermittently doesn't send full chain

We host a website in azure. The service we host has 6 instances. On that service we have added a certificate that covers the site, and has an authentication chain that looks like: our certificate ...
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45 views

Adding site from a folder few levels inside wwwroot, throws Error 404

I am completely new to IIS, I am trying all this on Windows Server 2012. What I am trying to do is, I have setup a Bonobo git server in iis which is at wwwroot/Bonobo.Git.Server level. I have created ...
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71 views

External Access to Internal Network and Websites — Microsoft Networks

I need to be able to expose a set of "internal" web sites to Internet users somehow. Please bear with me as network engineering isn't my forte. I'd appreciate any insight or suggestions to this task. ...
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285 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 ...
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114 views

IIS hanging when running Active Reports, possibly splwow64.exe

We have a Windows 2008 R2 web server running our web app on IIS and when running a particular page which generates a PDF (using Active Reports https://activereports.grapecity.com/) it takes between 1 ...
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26 views

protect IIS site with Shibboleth SP on certain IP

I host a webserver and want customers to authenticate using their ADFS server. I cannot reach their server, they reach mine and theirs. This basically works. I now wonder if it's possible to setup ...
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150 views

OWA stopped working suddenly exchange 2010

My OWA is suddenly not working for internal and external mail. Is there any way to find a solution for this problem? Here is the Microsoft Outlook connectivity test result: Testing Outlook ...
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37 views

Why doesn't my IIS module mapping configuration show up in applicationHost.config?

I have the following structure: myServer Sites Default Web Site myVirtualDirectory myApplication <- added to handler Mappings here Under ...
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31 views

MS Webdeploy V3 encryptPassword correct usage

I have installed MS Webdeploy (Version 3.5) on both my ("old") Server 2003/IIS6 and ("new") Server 2012/IIS8. Currently, I am following the guidelines in the article here, backing up the Target ...
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93 views

IIS 7.5 stops serving external requests randomly

Running IIS 7.5 on Windows 2008 R2. 1-~10 times a week, usually over the weekend, our website will stop responding to external requests. I keep a browser window open on the server pointed to the ...
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89 views

Browser shows IIS Error Messages with WebSphere error messages below

I am working on an environment (external) where IIS is the web server and WebSphere is the application server. I have noticed that the error messages (Ex. 403, 404) show both IIS error messages as ...
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419 views

IIS Worker Process Thread Count

I've seen this question asked but the answer given was either insufficient or unrelated. I feel like this is a pretty simple question(s). We have a Classic ASP app running on IIS7.5 on a Windows 2k8 ...
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405 views

First request after a while always slow - ASP.NET MVC / IIS 8.5 / Windows Server 2012 R2 VPS

I'm hosting a low-traffic ASP.NET MVC 5 application on a VPS with Windows Server 2012 R2 / IIS 8.5, with 1 GB of RAM. My problem is that the first request after some time without any requests always ...
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35 views

IIS 8, Shared Configuration and server specific HTTP Header

Is it possible in IIS 8 use Shared Configuration and set an HTTP Header for each server with a different value?
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312 views

Running a web service from a Win 2012 R2 Hyper-V Host - xDoS prevention

Here's the scenario. We have a Windows Server 2012 R2 Hyper-V Edition hosting three NLB 2012 R2 web servers with our product on them. They receive XML data from connected public servers and work ...
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309 views

ASP MVC Applicaiton hangs suddenly in IIS 8.5

We have 3 Servers One is for infrastructure like domain server and 2 servers with an ASP MVC and a webapi site. A maanged load balancer balances the load to server 2 and 3 For many monthes everything ...
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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 ...