We are seeing huge momentum behind adoption of WinCache . In the month of September, WinCache v1 Beta was downloaded more than 13,000 time making it one of the most downloaded IIS extensions in the first month following its release. Many happy customers...

Problem As you know FastCGI functionality on IIS 5.1 and IIS 6.0 is provided by FastCGI ISAPI extension which is available as an independent download. On IIS 7.0 and beyond, FastCGI functionality is provided by IIS FastCGI module which comes with the...

Why WinCache? Use of PHP accelerators is very common to make PHP run faster. Most of the existing PHP accelerators which are in use today are designed keeping *nix architecture in mind and mostly doesn’t work well on Windows. For example, APC which is...

IIS team today released FastCGI ISAPI 1.5 Beta for WinXP and Win2K3 which has some very nice additions to existing FastCGI ISAPI functionality. Following additions have been made to FastCGI ISAPI 1.0 . 1. Few features we added to FastCGI module in IIS...

Advanced logging module which media team released few days ago uses IIS tracing subsystem and allow module developers to log custom data in W3C compatible format using familiar IHttpTraceContext interface. If you are a module developer and want to generate...

Few days ago I was required to implement IAppHostPathMapper interface in native C to map configuration path MACHINE/WEBROOT/APPHOST to DefaultAppPool.config and struggled with finding good documentation. With help of some incomplete, hard to find documentation...

Following new features have been added to IIS configuration system and appcmd command line tool in IIS 7.5. Configuration System 1. Configuration system tracing and logging In IIS 7.5, IIS native configuration system can generate trace events capturing...

Looking at number of people reaching my first blog post while searching for information on IIS 7.5, I figured I should do few more posts on changes which are coming in IIS 7.5. In this blog post I am covering new features which have been added to compression...

Following improvements have been made to FastCGI module in Win7 (and Win2K8 R2). 1. Monitor changes to a file We have added ability to monitor changes to a file for each FastCGI process pool. Module will recycle FastCGI processes for the process pool...

IIS7 has really nice tracing capabilities which are available to all module developers. If you want to make it easy for you and your customers to debug problems in your modules, you should definitely be using them. You can use IHttpTraceContext::RaiseTraceEvent...

If you write an IIS7 module, you would typically want to control its behavior based on some configuration data. IIS7 makes it really easy for developers to extend configuration schema so that their customers can put configuration data for their modules...

There have been few requests on forums where people wanted to control access to sites based on country from where request originated. We recommended people to use IP restriction module functionality which required people to add IP address ranges of the...

MWA (Microsoft.Web.Administration) is pretty popular among developers who wish to read/write IIS configuration because of ease of writing managed code (which enables its use in powershell as well) and also because it provides a more intuitive wrapper...

If you ever write AhAdmin code, this is for you.I have written a tool which generates equivalent JavaScript/C#/VB.Net AhAdmin code for actions done in IIS7 UI. IIS7 configuration system gives access to IIS config files via a set of COM APIs. You can read...

Dynamic properties feature in IIS7 configurtion system lets you expose dynamic data as configuration system properties. RscaExt.xml which is part of IIS7 has all the RSCA (runtime status and control APIs) functionality exposed as dynamic properties through...

IIS7 custom error module work in SendResponse stage with priority high (priority high in send response actually means lowest priority) which makes it one of the last modules to run in the pipeline. It produces custom errors only if current statusCode...

One of the things which was not clear to me when IIS7 configuration system was written was how configuration system merges all the configuration data available and then decide what values are effective for the current request. One of confusions came from...

Few months ago, I fired procmon and collected all the registry keys IIS7 processes read. I then gathered the information about these registry keys from different people in the team and also collected available information on the internet. I have been...

I started writing an application which uses hostable web core (HWC) functionality of IIS7 and before making it available for download I thought it will be useful to write about HWC in detail. Hostable web core enables processes other than w3wp.exe to...

IIS7 configuration system understands machine.config, web.config and applicationHost.config but does not handle administration.config natively. This means reading and writing administration.config is little difficult. If you use AhAdmin directly and call...

One of the new features in IIS7 in longhorn server enable people to extend existing IIS configuration sections. If you have a schema file in schema folder which defines section already defined in IIS_Schema.xml, IIS configuration system will merge the...

Check out some of the cool things you can do by piping appcmd commands together in IIS7 at http://blogs.iis.net/ksingla/archive/2007/06/17/things-you-can-do-by-piping-appcmd-commands.aspx . -Kanwal

See the steps to enable tracing for a site using appcmd at http://blogs.iis.net/ksingla/archive/2007/05/17/steps-to-enable-tracing-using-appcmd.aspx . -Kanwal

HttpRedirection module allows you to set client side redirection using configuration rules. There are not many changes from what IIS6 had but I thought it will be good to revisit its configuration and behavior in IIS7. Read full post at http://blogs...

Do you always find yourself always using “/?” in appcmd to find what switches you need? Do you always run “appcmd list” commands to see the list of apppools/sites/apps/traces etc before actually running the command? Do you always end up opening schema...