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Try this one..<br />
<br />
<a href="http://support.microsoft.com/kb/237282" rel="ugc nofollow">http://support.microsoft.com/kb/237282</a>
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Try this one..

http://support.microsoft.com/kb/237282 [http://support.microsoft.com/kb/237282]

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can i use gpo to prevent an individual having more than one simultaneous logon on a windows 2008 R2 network, if not &nbsp;are there any open source tools I can use<br />
<br />
Andrew
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can i use gpo to prevent an individual having more than one simultaneous logon on a windows 2008 R2 network, if not  are there any open source tools I can use

Andrew

Windows logon

Windows Server 2008 and Windows Server 2008 R2, based on the Microsoft Vista codebase, is the last 32-bit server operating system released by Microsoft. It has a number of versions, including including Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Storage; new features included server core installation and Hyper-V.