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9. Remote Access > Unified Remote Access

Unified Remote Access

Server 2012 takes remote access a step further with Unified Remote Access. In Server 2012, RRAS and DirectAccess are combined into one Remote Access server role. There are myriad improvements in both DirectAccess and RRAS in Server 2012. Some of the most significant are:

  • Coexistence of both DirectAccess and RRAS on the same server.

    Because of security conflicts between RRAS and DirectAccess, having both on the same box caused problems with DirectAccess connections. This mostly had to do with security conflicts between the two. DirectAccess uses IPv6 to establish client connections. This didn’t mean that the feature could not be deployed in IPv4 networks, since DirectAccess uses IPV4-to-IPv6 transition technology. However, RRAS blocks this type of transitioned network traffic, causing problems with DirectAccess functionality. DirectAccess also has built-in security mechanisms to protect the internal network against DoS (denial of service) attacks, also causing problems with functionality when RRAS is deployed. Unified Remote Access alleviates the issues that occur when DirectAccess and RRAS are on the same box.


  

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