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Questions tagged [iis]

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 [iis-7], [iis-7.5], etc.

IIS is Internet Information Services, the web server included with Microsoft's Windows and Windows Server operating systems.

This is a generic tag. Wherever possible please use a version-specific tag such as:

  • on Windows Server 2016 and Windows 10
  • on Windows Server 2012 R2 and Windows 8.1
  • on Windows Server 2012 and Windows 8
  • on Windows Server 2008 R2 and Windows 7
  • on Windows Server 2008 and Windows Vista
  • on Windows Server 2003 and Windows Server 2003 R2; Windows XP x64 Professional (END-OF-LIFE)
  • on Windows 2000 and Windows XP Professional (END-OF-LIFE)

It is also recommended that you tag your questions with the appropriate windows-version tags.

IIS 7 and newer versions are built on a modular architecture, plugging in to the kernel-mode HTTP.SYS listener. User-mode Modules can be added or removed individually so that only modules required for specific functionality have to be installed.

IIS includes these module groups:

  • HTTP (request-processing pipeline, errors, redirects)
  • security
  • content
  • compression
  • caching
  • logging and diagnostics

The IIS Manager (INETMGR) is the IIS administrative GUI.

The command-line utility "AppCmd" provides a scriptable interface to the IIS configuration data.

The PowerShell WebAdministration module is included with IIS 7.5+.

The newer PowerShell IISAdministration module is included in IIS 10+. It is the only IIS PS Admin module supported on Nano server at the time of release.

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What feature must be installed to show the ASP icon in IIS?

An IIS 7, Windows 2008 R2 server is missing the ASP icon from the workspace pane when a web application is selected in the tree pane. What feature must I add to get the icon to appear?
Tim Partridge
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Cant open IIS7 Manager - invalid XML in applicationHost.config

Im a developer with very limited knowledge of IIS7 administration. Today when attempting to open the IIS instance via the IIS admin GUI i received a message that reads (paraphrased): "There was an error trying to connect. Do you want to retype your…
Owen
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Web Farm Framework on Windows Server 2012

I'm having trouble installing the Web Farm Framework (2.0) in Windows Server 2012. Has it been integrated in with IIS8 or another feature like AAR? I've looked in the Web Platform Installer and it is not listed. Web Farm Framework 1.1 is listed…
Brady Holt
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IIS logging one 401.5 response, followed by a 200 response

We are using pass-through authentication on our intranet. The clients are running Google Chrome Frame in IE and the server is running IIS 7. In the IIS logs, for every request we are seeing a 401.5 response, followed by another request for the same…
cbp
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Trend Micro Causing IIS Slow Response

I have a Windows 2008 R2 SP1 server with IIS serving up a static html page. I am using this to verify the performance of the server before deploying my web app. I use apache bench to test the the default website on the server. I get a response of +-…
yuben
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How to correctly show WCAT Fiddler results?

Using the WCAT Fiddler extension, I managed to get an XML result file being generated, but unfortunately I failed in having it displayed correctly with the XSL being applied. According to the authors website, a result should look like: While my…
Uwe Keim
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Wildcard SSL cert installation on IIS7

My wildcard cert (using SSL.com cert) has subject *.site.com, but for some reason it only works on the first site it's installed on and not the other sites on the server. Those other sites just point to the first site when using https even though…
Chevy Resnick
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What are some easy tips for accelerating SSL when using IIS?

This evening while perusing Hacker News I came upon a post with the title 5 easy tips to accelerate SSL. An interesting read, but I don't use Apache or Nginx and am instead interested in similar tips for IIS. Cursory Googling didn't turn up anything…
ahsteele
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Detailed Errors not working for WCF Service in IIS

If I were to change the web.config file to have errors in it, I only see the standard 500 - Internal Server Page. Despite setting the Error Pages mode to Detailed, I can't see a detailed error message. How do I sort this? The reason is I'm wanting…
Marcus
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Long server response delay - 60 to 90 seconds - when using PHP Mail() on IIS7.5

We have a Windows 2008 Server running PHP 5.2.11 on IIS 7.5 When any script on the server calls a mail() function it presents no errors and sends the email nearly instantly. However, the server will "hang" for about 60 to 90 seconds until it starts…
m.ed
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Changing AD passwords via ASP.NET. Getting access denied when Application pool is running under privileged user

I am trying to build a self-service password reset tool for a test domain. I am using ASP.NET 4 and IIS 7. My code: string userDirectoryEntry = "WinNT://domain/" + usermapping[user[1]] System.DirectoryServices.DirectoryEntry ADEntryToReset = new…
mphuie
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Exchange 2010 - EMC and OWA non-functional after unexpected server reboot

Problem: Can't connect to OWA or the Exchange Management Console/Shell on our Exchange 2010 server (Server 2008R2 VM). Background: We have an Exchange 2010 VM (ESXi 5.1) we're "in the process" of doing a mail migration to (from Exchange 2003). …
HopelessN00b
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IIS6: Turn off or disable a virtual directory for downtime/upgrade

Consider you have a website with many virtual directories. Each VD is configured as an application. How would you, in effect, turn off just ONE of those VD, or have it redirect to another page? You want to be sure that you don't turn off the entire…
p.campbell
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DefaultAppPool Settings in IIS

With a 4Gb RAM server and Windows 2003, I've determined by trial and error that setting a virtual RAM limit of 1.6 seems to kill the runaway processes without causing the normal processes to restart unnecessarily. Support suggested a formula of 1.9…
alimack
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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 seconds. However, requests to real server B are…
Alex
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