Installation and Configuration Guide

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Create the DNS record for a BlackBerry Administration Service instance

To configure multiple BlackBerry® Administration Service instances for high availability using DNS round robin, you must create a DNS record. The DNS record permits the clients of the BlackBerry Administration Service pool to access the instances using a single DNS name. You must create the DNS record in the same domain as the computers that host the BlackBerry Administration Service instances.
Before you begin:
  • You must configure a static IP address for each computer that you want to install a BlackBerry Administration Service instance on.
  • You must have permission to manage the DNS.
  • If you configure DNS round robin, you must configure clients to resolve the DNS name into a list of IP addresses and distribute traffic equally across the BlackBerry Administration Service instances in the pool.
  1. Log in to the DNS server.
  2. In the DNS management console, access the forward lookup zone that you want to add the BlackBerry Administration Service instance to.
  3. To create a new host, type the following information:
    • In the Name field, type the name of the BlackBerry Administration Service pool that you want to use.
    • In the IP Address1 field, type the IP address of the computer that you want to host a BlackBerry Administration Service instance on.
    • Select the Create associated pointer (PTR) record check box.
  4. Repeat step 3 for each BlackBerry Administration Service instance that you want to install. When you add entries to the same pool, you must use the same pool name for all BlackBerry Administration Service instances.
After you finish: To remove a BlackBerry Administration Service instance from a pool, delete the entry for the IP address of the BlackBerry Administration Service instance from the DNS server.
Next topic: Preparing the computer that hosts the BlackBerry Collaboration Service for use with Microsoft Office Communications Server 2007 R2
Previous topic: Creating a BlackBerry Administration Service pool using DNS round robin that includes the BlackBerry Web Desktop Manager

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