.NET 2.0 to 3.5 These version shares the same runtime and the version starts with 2.0.50727 followed by the build number. The file that will tell us the version being used is mscorwks.dll. You may choose other files as well, but this one will be...

  I have recently worked on an advisory case on which the customer was looking for a STS sample using ASP.NET Forms authentication as base to provide the claims. The Internet may be vast, but it is like a desert when it comes to a single sample of...

  One of the WCF strengths is the flexibility to allow different configuration combinations. One of the WCF weakness is this configuration flexibility that may lead to a final results different from the expected. Some of the problems we see with...

ADFS (Active Directory Federation Services) is a fancy name for Windows Identity Foundation Server. ADFS supports SAML protocol, however its client, Windows Identity Foundation (WIF), does not. As most of the problems of acquiring a token can be resolved...

  If you have tried my tool to troubleshoot c2WTS with SharePoint, c2WTSTester , verified that the service is running as expected, the account used by SharePoint is valid in c2WTS but you still failed to receive a valid token for some error that...

One of our customers had a very particular problem that prevented them from using custom encoder and message inspectors in their WCF service running in ASP.NET compatibility mode. So they requested a proof of concept to save all incoming Http Request...

UPDATE******* Due to some technical aspects the tool is being temporarily removed. Thank you for your support. I will update you when the appropriate modifications are done..

SharePoint has a very comprehensive and configurable diagnostic logging infrastructure known as ULS logs. Most of the ULS log entries include a unique tag called eventId . This tag is a 32-bits field containing only letters and numbers (e.g.. e5mc). This...

  I had received a somewhat odd request to produce a proof-of-concept application to enable a classic asmx Web Services to accept any namespace in the soap 1.1 request and to return the same namespace to the caller. To understand the problem let...

I have been writing some blogs entries (and even a Microsoft KB) about c2WTS, but the subject never exhausts. I was helping two different customers to troubleshoot issues with SharePoint Excel Services. In one of the cases the problem happened randomly...

As I have promised in my previous post, I am making available a C++ console application to troubleshoot named pipes endpoints in WCF. Below is a screenshot of the application:   Application logic: It gets the endpoint from the command line and substitute...

If Windows Communication Foundation (WCF) implementation has its own idiosyncrasies, named pipes provider is the champion. First, let’s start with the name of the provider. Named Pipes in Windows can be used to communicate between process on the...

After adding page links to the Top Link Bar of team sites tab, the Home tab (the first one) was not getting highlighted anymore when selected. All other page links added to the Top Link Bar were being highlighted as expected. Some people came out with...

There is no better way of learning something than to observe someone doing it step-by-step. I gathered information from different sources during the beta phase of SharePoint. So my thanks go to Darin Roulston, Eric Adams, Tracy Paddock, Jon Waite and...

I know a large number of people who believe that Claims to Windows Token Service is a SharePoint feature. They are mistaken, c2WTS is part of Windows Identity Foundation (WIF) which is one of the pre-requisites for SharePoint. SharePoint indeed relies...

Don’t you hate when you have access denied and you don’t know where it is coming from? It is even worse when it is related to anonymous access where a single detail can prevent a page from being rendered (IIS authentication, broken inheritance, you name...

If you have ever tried to programmatically create a Web Application using Kerberos as authentication provider you noticed that the Authentication Provider resets to NTLM. The cmdlet to create a new Web Application is New-SPWebApplication (or New-SPWebApplicationExtension...

  My friend Yuri Diogenes, one of the security gurus here at Microsoft, in partnership with Jim Harrison, Mohit Saxena and having Tom Shinder as Technical Reviewer released last February the Microsoft Press Administrator’s Companion for Forefront...

I normally talk about SharePoint topics but this post is also important for non-SharePoint people. First let me explain what is the relationship between impersonation and SharePoint, or better, the relationship between SharePoint and the thread [security...

This problem was fixed in KB961175 . The patch will keep the problem from happening again in new lists/libraries you create after applying the patch. However if you have a backup before the patch the restored contents will continue to show the same error...

I had put together an application to perform Load Test in both Microsoft Office SharePoint Server (MOSS) 2007 and Windows SharePoint Services (WSS) 3.0. The application as it is now is more “Load” than “Test”. The next step will be to save the results...

There are some occasions in the course of work as Support Escalation Engineer in Microsoft that we rely heavily in analyzing SharePoint metadata. Installing software in a production environment is a no-no for most companies (or at least it requires a...

There are scenarios on which you can access a unique site collection using different URLs even if these URLs are not listed in the Alternate Access Mapping (AAM) of the application. This normally does not cause any problem and even though you should not...

Let's face it, updating Sharepoint is not an easy task. It is true for both Microsoft Office Sharepoint Server (MOSS) 2007 and Windows Sharepoint Services 3.0. Let's highlight some points: MOST IMPORTANT: MOSS is built on top of WSS and you have to apply...

I had recently faced a problem which I believe other people will face at least once: how to get the context from a URL in a C# Console Application. I needed to use ProfileLoader which requires a context. You cannot get current context when you run an...