Intel PDS and Intel File Transfer services are installed with Symantec Mail Security for Microsoft Exchanges 4.x. These services permit Symantec Mail Security for Microsoft Exchange 4.x to interact with the Alert Management System (AMS) of Symantec AntiVirus Corporate Edition or Norton Antivirus Corporate Edition.
If you are not using AMS, you can safely disable these services.
Note: If you decide to disable these services, review your settings for all rules first. Some AMS alerts are enabled by default in Symantec Mail Security for Microsoft Exchange 4.x