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You must define AD sites, then you can select sites to prefer one or other DC and one or other exchange.
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You must define AD sites, then you can select sites to prefer one or other DC and one or other exchange.

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Thanks Dan,<br />
<br />
I think that will work for the sharepoint site but not for the ADFS proxy. &nbsp;Maybe I can create an action to rewrite the url and make a new internal DNS record for the external interface of ADFS
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Thanks Dan,

I think that will work for the sharepoint site but not for the ADFS proxy.  Maybe I can create an action to rewrite the url and make a new internal DNS record for the external interface of ADFS

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I'm not sure if DNS is the correct approach to resolve this issue, but here's the situation.<br />
<br />
We have a couple of sites that use integrated authentication (sharepoint for example). &nbsp;When a user attempts to access the site from a non domain computer they will receive the generic login popup window. &nbsp;These users are typically wireless guests which are on a separate subnet. &nbsp;I'd like to direct those users to a TMG / ADFS proxy page that utilizes FBA authentication.<br />
<br />
All subnets use the same DNS servers and I do not want to add a new one. &nbsp;Is there a way to make that subnet resolve to another address or somehow do a redirect in IIS?<br />
<br />
All dns / DHCP servers are windows 2012<br />
<br />
Any help would be appreciated.<br />
Thanks
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I'm not sure if DNS is the correct approach to resolve this issue, but here's the situation.

We have a couple of sites that use integrated authentication (sharepoint for example).  When a user attempts to access the site from a non domain computer they will receive the generic login popup window.  These users are typically wireless guests which are on a separate subnet.  I'd like to direct those users to a TMG / ADFS proxy page that utilizes FBA authentication.

All subnets use the same DNS servers and I do not want to add a new one.  Is there a way to make that subnet resolve to another address or somehow do a redirect in IIS?

All dns / DHCP servers are windows 2012

Any help would be appreciated.
Thanks

Alternate DNS resolution exceptions

The Domain Name System (DNS) is a hierarchical, globally distributed system responsible for associating the name of a computer, service or other resource into an IP address for connecting to the Internet or a private network. Most prominently, it translates domain names to the numerical IP addresses needed for the purpose of computer services and devices worldwide.

The Windows operating systems have distinct methodologies for designing and implementing networks, and have specific systems to accomplish various networking processes, such as Exchange for email, Sharepoint for shared files and programs, and IIS for delivery of web pages. Microsoft also produces server technologies for networked database use, security and virtualization.

Windows Networking

IIS is Internet Information Services, the web server included with Windows Server operating systems. All current versions are built on a modular architecture; modules can be added or removed individually so that those required for specific functionality are installed. The full installation of IIS includes HTTP, security, content, compression, caching, logging and diagnostics.

Microsoft IIS Web Server

The Dynamic Host Configuration Protocol (DHCP) is an auto configuration protocol used on IP networks and an extension of the Bootstrap Protocol. DHCP allows for computers to be configured automatically to communicate with each other over an IP network without the need for manual setup by a network administrator. The implementation of DHCP relies on a DHCP server to hand out network configuration information to DHCP-capable clients that request an IP address (and other information required or useful in communicating with other devices on an IP network). In addition to an IP address, common configuration information served over DHCP includes a default gateway, subnet mask and DNS sever(s).