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Domain controllars and clients necessary ports communication

Posted on 2014-12-29
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Last Modified: 2014-12-30
hi ..

i am setting up new domain forest in multi lan enviornment.

2 domain controllar.
clients on various VLAN.

please help me to know what are the necessary ports to be opened related to active directory.
I see some microsoft articles but it confuses me lots...
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Question by:Skumar_CCSA
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McKnife earned 500 total points
ID: 40523096
http://technet.microsoft.com/en-us/library/dd772723(v=ws.10).aspx to start with. "Active Directory and Active Directory Domain Services Port Requirements"
Please note, that the german version of that site is much more precise, for whatever reason: http://technet.microsoft.com/de-de/library/dd772723(v=ws.10).aspx

From the german one, take this small list of ports that the client computers need to reach at the DC for user-/computer authentication:

Port | Type of traffic
TCP and UDP 445 SMB/CIFS/SMB2
TCP and UDP 88 Kerberos
UDP 389 LDAP
TCP and UDP 53 DNS
TCP dynamic RPC
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by:Skumar_CCSA
ID: 40523103
The OS is windows 2008r2..
Need to help to see if any website has clear information from donteollar to controller and controller to clients ports info
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by:McKnife
ID: 40523104
Well, that was just provided. The first link is for 2008 r2, too.
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by:Skumar_CCSA
ID: 40523267
thanks
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