Incorrect IP address registration in DNS

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Summary
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This article provides information how to troubleshoot incorrect IP registration in DNS servers (Primary or Secondary).

More Information
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In a WAN environment all NICs should be configured not to register their I.P. addresses with a DNS server. If the WAN environment IP management has been setup according to the Neverfail Heartbeat reference guide there should not be any problems addressing accidental registration of the IPs: Channel IPs shouldn’t be registered in the DNS as there is not specified a DNS server in TCP/IP configuration and the Passive Public IP might only be registered in the DNS server if Neverfail Packet Filter is not installed/configured properly. In order to avoid such problems "Register this connection’s addresses in DNS" must be unchecked in the NICs TCP/IP options.


Accidental IP registration can cause clients connectivity issues and Neverfail Channel failure. In WAN implementations, Neverfail DNSUpdate.exe command will take care of all IP registration in the DNS servers.

Solution
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The following procedure should be done on all servers’ NICs.

1. Open TCP/IP Properties

2. Go to Advanced

3. Select DNS tab

4. Uncheck "Register this connection’s addresses in DNS"

KBID-509

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