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In a knowledge base article, the software giant said an explicit setting in the Windows firewall to block unsolicited connections will cause disruptions on FTP programs, peer-to-peer applications and software for multimedia streaming and e-mail applications.
Microsoft has spent the last few months warning that the security-centric service pack will break and disrupt existing applications, especially those that depend on open ports for connectivity.
The list includes Microsoft's own Visual Studio .NET and SQL products, as well as anti-virus software from Symantec (Quote, Chart), the ColdFusion MX Server from Macromedia and security products from Computer Associates (Quote, Chart) and McAfee.
As previously reported, Microsoft has released update patches to allow its own flagship customer relationship management (CRM 1.2) software to work properly on systems running SP2.
This article was first published on InternetNews.com. The company has also urged Web developers and Web site owners to closely examine the XP changes and make the necessary code modifications to minimize disruptions. Microsoft released a detailed document titled "How to Make Your Web Site Work with Windows XP Service Pack 2" to spell out the code tweaks needed to deal with SP2.