Can I replicate a DC thru the internet, without vpn?

Hi Everyone

We are moving over to Office 365 and do not require our vpn line between our branch office and our main office which was used to access the exchange server. I still however need a DC in that branch office. I would like to know if I could perform thr replication thru the internet, without any vpn connectivity?
chance-gpAsked:
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acbxyzConnect With a Mentor Commented:
Most router vendors have vpn products which can create a site-to-site vpn. IP adresses from the remote site will then be routed through a secured vpn while others will be directed directly to the internet.
You only need to buy the devices once and a static ip address (more reliable) or domain name (dyndns or similar).
All traffic between your sites will be transfered through normal internet connection, which offers mostly more bandwidth per price than an isp provided vpn.
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acbxyzCommented:
Maybe, but it would be a very big security issue, so at least you should not do it.

But if you have a dedicated vpn line, you don't need this. You can use simple vpn appliances or openvpn or a similar vpn software, which cost at least once.
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Brian PiercePhotographerCommented:
Im nor sure where you are coming from here - if the machines are already connected via a VPN through the internet then why change it.
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Chris MillardCommented:
Apart from agreeing with KCTS, I don't believe it's possible to do AD sync over the internet. It IS possible to do SMTP sync, but since you're moving to cloud based Exchange, then you don't require that...
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chance-gpAuthor Commented:
Our vpn has become too expensive and too slow, we have a lot more staff at our branch office now then before. We also use the vpn line to breakout to the internet thru the main office web proxy server. If I can atleast deploy an RODC at the branch office and store those user's passwords on that DC, that will be sufficient. Will I be able to replicate it thru smtp?
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chance-gpAuthor Commented:
Thanks acb

Will probably put another tmg at the branch office.
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Brian PiercePhotographerCommented:
I see - you weren't really talking about a VPN - you were talking about a leased line.
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