KB Issue
Trying to join a Domain may result in an "Access is Denied" error if one of the following issues exists within the Active Directory Users and Computers for the Domain User.
Issue Details
When trying to Re-Join the Domain, after modifying or deleting the Domain User from Active Directory Users and Domains, without completely removing the User's credentials, can result in the following Error.
Joinng Domain Error
Your computer could not be joined to the domain
Access is denied
Recreate Issue
Several factors can cause this, and we will address 1 of them.
[Scenario #1]

The Domain Users account has been deleted
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or modified
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in some way, making it unreachable on the Computer listed for that User in the domain's Active Directory.
Resolve Issue
Several factors can cause this.
We will be addressing 1 of these issues.
[Scenario #1]
  • Open [Active Directory Users and Computers]
  • Expand the Domain
    Click to open [Computer]
  • Select the Computer for the User
    [Delete] the Computer from the list.
When the user attempts to [Join the Domain] again
The [Domain Users Computer] will be added to the list.