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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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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752 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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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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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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90 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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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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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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221 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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75 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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43 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 ...
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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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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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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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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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254 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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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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217 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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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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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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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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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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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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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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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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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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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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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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257 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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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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939 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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171 views

IIS web farm framework Load balancing vs classic load balancing

As asked here, I'm currently having a look at the IIS Web Farm Framework, but i'm concerned about performance. Is there an important difference between a classic Load Balancer, and the WFF load ...
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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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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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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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IIS Reverse proxy and URL Rewrite don't work

I did following steps: Installed all neede features to IIS (URLRewrite 2.0, ARR, ...) Created default MVC Web Application in VisualStudio Added this web app as new site to iis (I can access it by ...
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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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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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63 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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333 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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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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201 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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146 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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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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121 views

IIS7 not .html or .js files but serves .aspx

I'm trying to implement authentication into my website. I have managed to be correctly redirected to a login page when I try to access the secured website and I can login. However, the problem is that ...
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83 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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78 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 ...
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167 views

IIS Virtual Directory maximum number of connections to Windows share

**Disclaimer. I'm a developer, largely ignorant on what actually happens with virtual directories and such. A recent outage was explained away as too many connections to a Windows file share, and it ...
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81 views

IIS is losing or abandoning Custom Sessions

We have an aspx.net application with IIS 7.5 and we are facing a huge problem as this application is losing or abandoning sessions for no clear reason. Due to client restrictions we must use Custom ...
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Is there any (eg. security related) reson not to give a webapplication principal full control rights?

the application i want to deploy on IIS (Windows Server 2012) requires write right within the webapplication directory. The principal (user) of the directory has only read rights right now (seems to ...