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Hey John / Tom, Thanks both for your input. John - it does seem like its being overcomplicated, but this a government dept, they overcomplicate everything! Basically, to implement a system in production we have to show that measures have been taken to ensure that users can’t ‘spoof’ other...

Process.Start requires a password (which we don't have, because we're not bothering the user by asking). Also, that would start a process on the local machine, not execute a command on the server. Simillarly, the request for the value of My.User.Name is being run on the client application, and...

Hey John, Thanks for your help - I think I made this way too complex with a poor selection of words. Basically, all I was trying to do is have a VB.NET application on the client computer ('workstation') talk to a server application and the server application know the name of the user who is...

John, Users impersonating other users would be a huge problem; imagine if a user was able to change the My.User.Name string from "domain\fred" to "domain\bob" and steal all of Bob's personal data. That's why I came up with the whole 'magic word' thing, to eliminate this problem. I'm going...

Hey John, Thanks I've got the username (my.user.name) and I send it to the server, but I can't figure out how to secure it so the server knows that I really am "my.user.name" and not just impersonating somebody else. The solution I wrote prevents impersonation, but I thought there was a more...

Tom - sorry the client app is authenticating as an AD user, when it says "i am domain\ben", it's using the domain and username from AD. Cheers, Ben

Looks ok, just make sure to declare and initialise the variable types (eg, Dim strFileContents becomes Dim strFileContents As String = ""). There is a VB6 to .NET migration tool in Visual Studio, but I don't recommend using that or you'll get a sore brain. :)

Hey All, I’ve written a VB.NET client & server application where the client application calls a function on the server and gets results back. The application runs in an intranet. How can the server tell who (as in the NT domain user?) the client is before executing a request WITHOUT...

OK - I have a mystery... I'm trying to set the RichTextBox text to bold (shouldn't be hard) but I've run into a funny problem where SelectionFont is not a member of System.Windows.Controls.RichTextBox. I thought it was! I'm using Visual Studio 2008 and desining the form in Expression...