# Configuring Fault Tolerance

To configure a fault tolerant server pair using Central Administration:

## Procedure

1. Configure the primary server as usual.
2. On the Server Properties page, designate the URL on which the secondary server listens for the primary server by clicking the FT Active radio button next to the desired Listens URL.
3. On the Fault Tolerance properties page, configure the Secondary Listens URLs that the secondary server uses to listen for client connections in the event that it becomes the active server.
4. Designate the URL on which the primary server listens for the secondary server, should a failure occur and the secondary server becomes active. Click the FT Active radio button next to the desired Secondary Listens URL.
5. Configure the remaining fault tolerance properties on the Fault Tolerance page.
6. Deploy the configuration changes.
7. Start the primary and secondary EMS servers using the method described in Starting Fault Tolerant Server Pairs.

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