Not able to join Windows 2008 R2 Active Directory with the error "Failed to join domain: Improperly formed account name" or "NT_STATUS_INVALID_COMPUTER_NAME"

Solution Verified - Updated -

Issue

  • When trying to have a RHEL machine join a Windows 2008 R2 domain, it errors with the following:
>   kinit succeeded but ads\_sasl\_spnego\_krb5\_bind failed: Server not found in Kerberos database  
> Failed to join domain: Improperly formed account name  
> ADS join did not work, falling back to RPC...  
> [2011/08/19 20:53:05, 0] utils/net\_rpc\_join.c:net\_rpc\_join_newstyle(367)  
>   Error in domain join verification (credential setup failed): NT\_STATUS\_INVALID\_COMPUTER\_NAME  
>   
> Unable to join domain EXAMPLEMIKU

Environment

  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Microsoft Windows Server 2008 R2 Active Directory

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