Use the following procedure to manually configure a client to point to an Access Edge Server for remote user access.

To manually configure a client
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Open Microsoft Office Communicator 2007.
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Click the down arrow in the Office Communicator title bar, click Tools, and then click Options.
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On the Personal tab, click Advanced, and then click Manual Configuration.
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In Advanced Connections setting, under Configure settings, in External Server name or IP address, enter <external FQDN of the Access Edge Server>:443.
For example, sipalt.access.contoso.com:443, where 443 is the port used for remote user access.