Windows Server 2008 and later versions of Windows Server have a built-in software firewall enabled by default. If this (or any other firewall) is used to restrict traffic on a network which has PureMessage installed, then it may be necessary to make some configuration changes to the firewall in order for PureMessage to work properly. Ensure that any changes made to your firewall configuration comply with your company's security policies.
Applies to the following Sophos products and versions PureMessage for Microsoft Exchange
Every instance of the PureMessage server requires access to a SQL Server. If a PureMessage Server is installed on a computer remote to the SQL Server you must ensure that any firewall is configured to allow the communication.
Before you begin the installation of PureMessage, ensure the following:
PureMessage Administration Consoles and PureMessage Servers located on different physical machines require DCOM connections over the network in order to communicate. This is necessary for:
For the Windows Server firewall this can be achieved by performing the following steps, which should be taken on all computers that have PureMessage installed:
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