WWW Service not listed in the Services console (IIS 6.0)?

This post is a continuation to the series on IIS service startup issues. I did not feel like writing it since we haven’t seen much cases on this type of behavior and I thought this could be one of those rare issues which always happens with IIS but my customer who bore the brunt of…

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Automate client certificate one-to-one mapping in IIS 6.0 using C#

In PSS, we occasionally get requests from our customers wherein they want to automatically add entries for client certificate mapping in IIS or Active Directory (AD). That is either a 1-to-1, Many-to-1 or AD mapping for the client certificate authentication for the web site. I recommend going with AD mapping because that eases the management…

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Increase the concurrent connections limit for IIS FTP site if you see server reset

If you have a FTP site hosted on IIS which receives a burst of client connections at specific intervals and you see the connections getting reset from server-end please read on. Let’s say you have over 1500 concurrent FTP client connections being made at every ‘n’ minute you may see that the IIS FTP server…

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Who knows! You may be missing these points for Kerberos authentication failures for Web applications…

I am sharing here some of the general + elusive + ignored + must-have info that you may want to recheck when you are troubleshooting a kerberos cum delegation failure scenario and feel like reaching nowhere near the end of the tunnel (resolution!). These are my personal checklists based on experiences of troubleshooting kerberos related…

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Some tips if your IIS 6.0 World Wide Web Service (WWW) ever goes down…

Well, every time I try writing some thing different than IIS and for some reason I come back to it 🙂 Here is a quick troubleshooting tip for a scenario where World Wide Web service on my test IIS 6.0 box went down for no apparent reason. Here is what I started seeing when we…

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My IIS 6.0 Web Manager – Manage your Web Sites, Application Pools from any where on the Web.

A Web administrator has to have access to the IIS server in order to ensure that any diagnostic/preventive measures can be performed at any point of time. One has to ensure all the web sites are running up and fine during the course of a day. Activities like recycling Application pools, starting/stopping Web sites etc….

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Change in IIS MMC setting may cause unwanted restarts of W3SVC

Recently we have discovered an issue with IIS Manager wherein changing settings in a certain way may cause unexpected restart of World wide Web Publishing Service. And this may happen before you realize until you go back to the Application event log and find entries corresponding to the W3SVC restart event as shown below: Event…

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Unable to access IIsCertMapper object through ADSI

Today, I was working on an issue where we were trying to add mapping for client certificate for a windows account using ADSI and VBScript. Something similar as below: <%   Dim CertObj, vCert   vCert = Request.ClientCertificate(“CERTIFICATE”)   Set CertObj = GetObject(“IIS://<path>/IIsCertMapper”)   CertObj.CreateMapping vCert, “MYACCT”, “MYPASS”, “My Name”, True %> where path is…

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