Can't logon as local admin

I have Windows 7 enterprise workstation.When ran workstation first time,local admin account was created (built-in admin account was not activated) and password was created as well.I customized desktop appearance,restartede box few times,logged on as local admin few times.Then added box to Active Directory.After that I cannot logon under local admin account - every time I receive message "The user name or password is incorrect" But I can logon with domain user account
vmikhalAsked:
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wmcdon7160Connect With a Mentor Commented:
are you adding the computer name before the local admin account? otherwise it is trying to use that local account on the domain.
[computername]\[localadminname]
[password]
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RoelvanDijnenCommented:
Are you able to logon as domain administrator?
Then you can rightclick my computer > manage > go to local users & groups and edit the local admin from there.
Otherwise you need to use a tool on a boot CD to reset the administrator password.
[Admin Edit]
Also be aware that these tools are unlicenced an may therefore be illegal in your country.
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Iain MacMillanIT ManagerCommented:
my understanding is by default the local admin account is disabled in Win 7, and has to be manually enabled through Computer Management.  perhaps joining the domain, has disabled the account again.  if so, just go to Comp. management and re-enable the account from Local Users & groups menu.
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