Windows - What are Ports needed for Active Directory ?

Windows - General

In order to add a machine to the Active Directory (Domain) or to allow you machine to speak with a Domain Controller you will need to open the following ports....

  • LDAP        - TCP+UDP/389
  • DNS          - UDP/53
  • SMB          - UDP/138
  • SMB          - TCP/445 
  • Kerberos   - UDP/88

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