The default win2008 does not have the Telnet command installed;
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1. Open Server Manager, select Add features (Start-up management Tools---> Server Manager---Features---> Add features)
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2, in the Add Features dialog box that pops up, select "Telnet Client" and then next, the last installation succeeds:
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This article is from the "perfect type _ Start" blog, please make sure to keep this source http://wupengfei.blog.51cto.com/7174803/1955476
WINDOW2008R2 Installing the Telnet client