Ports Required to Join a Windows Domain – Managing Windows Machines in a DMZ with SCCM

For those looking for the ports you need open, this is what I use for a Windows 7 and Windows 2008 R2 DC. LDAP TCP-in - 389 LDAP UDP in - 389 LDAP for Global Catalog TCP in - 3268 NetBIOS name Resolution UDP in - 138 SAM/LSA TCP in - 445 SAM/LSA UDP in…
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