>>Hi,
>>
>>How do I find out what first version of .NET framework had the namespace in the Title of this message? I have .NET 4 on my PC but it does not have this namespace.
>>
>>TIA
>>
>>UPDATE. I found that I can add a reference to this library in .NET 4 and no need to upgrade.
>
>Library is there since first version, no?
It could have been. It is in the version 4.0, which is what I was looking for. Since this namespace should allow me to get the AD user name and email of the current user.
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