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What VPN protocol will the new connection use? &nbsp;If it's IPSec, you can just publish UDP 500 and UDP 4500 to the VPN server.
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What VPN protocol will the new connection use?  If it's IPSec, you can just publish UDP 500 and UDP 4500 to the VPN server.

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Closing question. Purchased a new firewall that is compat with Azure.
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Closing question. Purchased a new firewall that is compat with Azure.

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Network<br />
ISA 2006 on Server 2003 (Please do not ask - Currently in process to get them to update to a newer Firewall) <br />
RRAS on same server. <br />
Currently have VPN working for employees to login, but trying to create a site2site for Azure. <br />
Azure Site to Site is requiring me to use Server 2012 to host RRAS for their VPN to work. <br />
<br />
Is there a way to tell ISA to use RRAS on the server 2012 box, or does it require it to be on the same machine? <br />
<br />
The end result (for what it matters) is to have a single Server2012R2 (onprem) that is running Veeam Replication to be able to see and connect to the Azure server to backup to.
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Network
ISA 2006 on Server 2003 (Please do not ask - Currently in process to get them to update to a newer Firewall) 
RRAS on same server. 
Currently have VPN working for employees to login, but trying to create a site2site for Azure. 
Azure Site to Site is requiring me to use Server 2012 to host RRAS for their VPN to work. 

Is there a way to tell ISA to use RRAS on the server 2012 box, or does it require it to be on the same machine? 

The end result (for what it matters) is to have a single Server2012R2 (onprem) that is running Veeam Replication to be able to see and connect to the Azure server to backup to.

ISA 2006 RRAS and mirgrating to Server 2012 R2

A virtual private network (VPN) is a network that uses a public telecommunication infrastructure, such as the Internet, to provide remote offices or travelling users access to a central organizational network securely. VPNs encapsulate data transfers using secure cryptographic methods and other security mechanisms to ensure that only authorized users can access the network and that the data cannot be intercepted.

Windows Server 2012 is the server version of Windows 8 and the successor to Windows Server 2008 R2. Windows Server 2012 is the first version of Windows Server to have no support for Itanium-based computers since Windows NT 4.0. Windows Server 2012, now in its second release (Windows Server 2012 Release 2) includes Foundation, Essentials, Standard and Datacenter, and does not support IA-32 or IA-64 processors.

Windows Server 2012

Microsoft Forefront, formerly known as Internet Security and Acceleration Server (ISA Server), is a network router, firewall, antivirus program, VPN server and web cache that runs on Windows servers. It includes identity management and protection systems, and discontinued systems for threat management and network protection, along with protection for Sharepoint and Exchange. The scope of discussions includes forward and reverse proxy, application and service publishing, virtual private networks (VPNs), outbound access rules, SSL certificates and network routing within either a single node or an highly-available array pairing.

Microsoft Forefront ISA Server

Windows Server 2003 was based on Windows XP and was released in four editions: Web, Standard, Enterprise and Datacenter. It also had derivative versions for clusters, storage and Microsoft’s Small Business Server. Important upgrades included integrating Internet Information Services (IIS), improvements to Active Directory (AD) and Group Policy (GP), and the migration to Automated System Recovery (ASR).