Ulysses Ludwig's SharePoint blog

Querying SharePoint Profile Data from an InfoPath Form

Problem Day after day I have users asking me how to get additional information about the selected user from the contact selector/people picker per my example at http://sharepointassist.com/2009/02/27/adding-a-contact-selectorpeople-picker-to-an-infopath-form/. Unfortunately, there is no easy way to do this, the only way to do this is to wire in a simple web service query that pulls the necessary information when a user chooses a name in the people picker. Upon selection, the web service ca...

Serialization Issue with Windows Workflow Foundation and Sharepoint Workflow

Problem You are receiving the error similar to the one below when attempting to execute a SharePoint WWF workflow.  ====================================================================================== 11/19/2009 10:52:19.18     w3wp.exe (0x17FC)                          0x157C    Windows SharePoint Services   
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ERROR: request not found in the TrackedRequests

Problem I had a completely phantom error today and I never did figure out the cause was but I thought it might help to explain how it happened, and my thoughts to the cause.  The environment is MOSS Enterprise SP2 development environment with Visual Studio, VSTE 1.3, Office 2007, WSPBuilder, and SQL all onboard, obviously supporting Windows Workflow Foundation workflows.  Over the last few days I’ve been struggling with strange bugs in my InfoPath task forms that required a millio...

Workflow "Failed on Start (retrying) – again"

  (See also http://www.sharepointassist.com/2009/01/08/sharepoint-workflow-failed-on-start-retrying/) Problem You’re developing a Windows Workflow Foundation (WWF) workflow and no matter what you do you get the Workflow “Failed on Start (retrying)” message.  In my case I debugged over and over again only to see the TaskCreate method throw an exception (that you can’t capture) and fail.    Solution Specify a token other than the default Workflow1 or top level token.&...

Configuring Kerberos Authentication for SharePoint

When you install SharePoint you have a choice to use NTLM and Kerberos authentication. There's pros and cons for each and I'm not going to get into that here, let's just go through the steps for configuring Kerberos on a SharePoint site running on port 80. Prerequisites Download and install the Windows Server 2003 Service Pack 2 32-bit Support Tools Note that they will still run on a 64 bit machine. Install the Windows 2003 Admin Pack (AdminPak.msi) located in your server's %\windows\sys...