http://blogs.technet.com/b/activedirectoryua/archive/2013/01/28/active-directory-replication-over-firewalls-posted-on-technet-wiki.aspxA couple years back, we posted on TechNet Wiki an older article that was originally published on the TechNet Library by Steve Riley, when he worked at Microsoft. The article is Active Directory Replication over Firewalls . Since publishing it on TechNeten-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.technet.com/b/activedirectoryua/archive/2013/01/28/active-directory-replication-over-firewalls-posted-on-technet-wiki.aspx#3550597Wed, 06 Feb 2013 01:34:47 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3550597Justin Hall MSFT<p>That portal is excellent. Thanks for creating and maintaning it Richard.</p> <p>Justin</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3550597" width="1" height="1">http://blogs.technet.com/b/activedirectoryua/archive/2013/01/28/active-directory-replication-over-firewalls-posted-on-technet-wiki.aspx#3550548Tue, 05 Feb 2013 21:07:27 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3550548Richard Mueller<p>The Wiki article you mention is linked in this AD DS Portal Wiki (under the heading &quot;Replication&quot;):</p> <p><a rel="nofollow" target="_new" href="http://social.technet.microsoft.com/wiki/contents/articles/13752.wiki-active-directory-domain-services-ad-ds-portal.aspx">social.technet.microsoft.com/.../13752.wiki-active-directory-domain-services-ad-ds-portal.aspx</a></p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3550548" width="1" height="1">http://blogs.technet.com/b/activedirectoryua/archive/2013/01/28/active-directory-replication-over-firewalls-posted-on-technet-wiki.aspx#3548981Tue, 29 Jan 2013 11:15:43 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3548981Serhad MAKBULOĞLU<p>great information, thanks!</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3548981" width="1" height="1">