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Host (A) records

1) If I have a computer that is able to log on to the domain but, for some reason, does not have an A record in DNS what effect will that have on this computers ability to function in the domain?

2) How can I run ipconfig /flushdns or the equivalent, on a group of remote computers in an effort to troublshoot some dns issues.  All the PCs are remotely located and I am unable to get with each user to have them run this.
1 Solution
Toni UranjekConsultant/TrainerCommented:
Hi xmouser,

None, client computer will access all other computers. Other computer might have troubles accessing this one. Run "ipconfig /registerdns" to properly register host record in DNS.
Use PSEXEC from sysinternal (aquired by Microsoft) to run "ipconfig /flushdns" on remote computers.



As toniur noted, this will not affect it's ability to play nice in a domain environment, if you want to see this information in DNS, you can ensure that the following option is enabled in the Network Configuration on the client (assuming XP):

1) Open "Control Panel"
2) Open "Network Connections"
3) Right-click your Local Area Connection, and select "Properties"
4) Select "TCP/IP", and click "Properties"
5) Click "Advanced"
6) Select the "DNS" tab
7) Ensure that "Register this connection's address in DNS" is checked
7a) *You may also have to define the DNS suffix depending on your domain environment (multiple domains)
7b) *If applicable, check the box next to "Use this connections DNS suffix in DNS registration"

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