instant messaging srv records

Written by MyComputerAid on Tuesday, September 30, 2008 22:34 - 0 Comments

Configure Instant Messaging SRV Records

Configuring Instant Messaging SRV Records on Exchange 2000
Having configured Instant Messaging on a Network it is then necessary to configure it for different clients and user accounts. This requires users to log on making use of their user names and also their domain names.

This means that if the user name is johns and the domain name is, then the email address would normally be

To log into Instant Messaging though requires a different formula, and requires knowledge of the Instant Messaging server’s Fully Qualified Domain Name. For example, the IM Router, thus the logon for Instant Messaging would be

This though does mean that the SRV records in the DNS will need to be configured so that all users can find their IM Routers. This though also means that DS Client Software will have to be installed for users of Win98 and NT.

Configuring the SRV Record can be done via Administration Tools and DNS MMC. The Forward Lookup Zone container then needs to be opened, and then the zone for the domain needs to be double clicked. Right click on the zone and then pick Other New Records. Within the Resource Record type choose Service Location and the click the Create Record button.

This will then open the New Resource Record window, in this type _RVP in the Service box, as well as 80 in the Port number box. The Host Offering this Service then needs to be filled with the Fully Qualified Domain Name, and then confirmed. This should mean that when you double click the _TCP sub folder in the zone folder that a new _RVP record is there.

This will then allow for the Instant Messaging logon name to be matched to the email user name – through the Instant Messaging client, then Tools and Accounts. If everything has been done correctly then you should be able to logon to Instant Messaging with the email address.

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