Windows Server 2008 Network connection goes down when enabling RRAS

Posted on 2009-04-27
Last Modified: 2012-06-27

I am having a very strange problem. I can install RRAS on Windows 2008 (as i have done several times before), and configure the RRAS settings to allow VPN traffic. However, as soon as i start the RRAS server, The server throws a fit and the network connection can no longer send or receive any traffic. The server also starts crawling, becoming extremely unresponsive. The only way to resolve the issue is to disable RRAS, and then restart the server - just disabling RRAS doesnt cut it.

As far as configuration goes, thhe server (which is actually a DC) has 2 NICs, however only one is in use. I know and understand about using 2 NICs, dedicating 1 RRAS completely, however the load on this server is not high, and using 1 NIC can more than suffice in terms of performance. I have also cross-checked these settings aginst a similar installation, and everything except the IGMP settings were the same. I have corrected the settings (the Local Area Connection was not listed, instead the inactice Local Area Connection 2 was there). I was under the impression that IGMP was for use with multicasting, which i am not using.

I have been unable to check this changes effect, however i will be able to tomorrow morniong when i am onsite (incase i have to recover it again when i enable RRAS). Any comments prior to me going onsite tomorrow morning would be greatly appreciated.


Question by:sparky2156
    1 Comment
    LVL 3

    Accepted Solution

    Issue was due to Inbound & Outbound filters being applied, which i certainly didnt create. Not sure hows these got there, but removing them of course resolved the issue completely.

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