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MSDN says:

A window station contains a clipboard, an atom table, and one or more desktop objects.

According to above, both of the winlogon desktop and the current desktop are belong to WinSta0; so they should share the same clipboard of WinSta0.

However, if you copy a piece of text in the current desktop, say "abcd", and press Ctrl + Alt + Del to switch to the winlogon desktop, then try to paste the text to the password box; you will not succeed!

Why?

CodingIntrigue
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xmllmx
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    The logon desktop is special, it is a *secure* desktop. Hardened by a good 30 years of people trying to break into Windows machines. The exact countermeasures that Microsoft implemented are not public knowledge, for obvious reasons. But yeah, don't expect Ctrl+V to do much. – Hans Passant Aug 02 '13 at 00:05

1 Answers1

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How are you trying to paste, Ctrl+V? I'm guessing that Winlogon just doesn't support copy/paste. You can confirm this by trying to copy/paste part of your username (in the change password screen)

Jonathon Reinhart
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