Using Backup Exec through a firewall

Article:TECH190459  |  Created: 2012-06-06  |  Updated: 2012-06-06  |  Article URL
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Technical Solution



Even after following the information and guidance detailed in the articles listed under Related Articles below, it has been seen that Backup Exec communications through a Firewall can be disrupted over time. This has been seen to be due to the Firewall blocking Windows RPC ports, as these are randomly assigned from a dynamic range of ports and are outside the control of Backup Exec.


Please review the Microsoft  Knowledgebase Article below, which explains how to define a specific range of ports for RPC communications. This range can then be defined in the Firewall to allow access.

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