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I am a beginner and am trying to understand how to use the runas command in Windows Powershell.

When I type the following command into Powershell: runas /user:\administrator cmd

I am asked to enter a password. When I do so, I am told that: "1326: Logon failure: unknown user name or bad password."

Also, when I type this command into Powershell: runas /user:AdministratorAccountName@ ComputerName

I get: RUNAS ERROR: Unable to acquire user password

I can't see the password when I type it in. But I have done it multiple times correctly and always get those messages.

Would appreciate some help on this.

Thanks!

  • Have you tried runas /user:$($env:COMPUTERNAME)\Administrator cmd? – Mathias R. Jessen Jan 2 '15 at 16:25
  • or /user:.\Administrator. Scratch that - just tested it, Mathias' suggestion works, mine doesn't. – Jeeva Jan 2 '15 at 17:15
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You could try

runas /user:administrator cmd

without the backslash before administrator. That works for me – when I replace administrator with a valid user name for an administrator on my computer, of course.

When it comes to the other command you tried:

runas /user:AdministratorAccountName@ ComputerName

it should read

runas /user:ComputerName\AdministratorAccountName

where ComputerName is a valid computer name and AdministratorAccountName is a valid name of a user account.

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