Microsoft's software developers may be celebrating them to complete the development of Windows XP SP2, however the problem in front of the global information technology department is the system that should not be upgraded. IBM has postponed installation mainly to improve the Windows XP upgrade version of the security performance. Last Friday, IBM issued an article entitled "Do not play patch" on its company's internal Internet, IBM told its employees in the article because there is a compatibility issue in Windows XP SP2, so don't download when SP2 is released. . IDG News Agency also gained a copy of this article. The text said: "This patch may be good news for other Microsoft Windows XP users, but IBM strongly recommends that XP users do not install SP2." IBM is a very large customer of Microsoft, and its desktop computer is nearly 400 . IBM tells its employees in this article: "Some of IBM's large part of network applications will have to test, and some network applications can be improved to implement compatibility with SP2. It is reported that some major people are well known commercial applications There is also a conflict with SP2. After these problems, IBM will configure a SP2 customized version after solving problems concerns. "A spokesperson of IBM refused to comment on the information technology issues of the company's internal Internet. IBM issued a warning for its users, Microsoft announced the production of the service package to start the SP2 process to publish SP2. The Windows XP upgraded version will soon be available through download, retail distribution channels, and free CDs, and will pre-installed Windows XP upgrades in newly produced personal computers. The network installation package for enterprise users will also be released soon. Windows XP SP2 (Service Pack 2) is more a very common vulnerability patches and program upgrades. Microsoft has previously exchanged product safety performance with compatibility as a cost. SP2 can make up for problems with current application conflicts. Microsoft has urged developers and information technology professionals to test this upgrade product. Not only IBM discovered that XP SP2 has compatibility issues, but even Microsoft's own software products have also been affected. Earlier this week, because SP2 blocks the normal operation of the original application, Microsoft also released an upgraded version of Microsoft CRM 1.2. Due to the wide range of variations, the analyst compares the XP service pack with the upgrade of Windows. This Windows upgrade is not a simple upgrade. It is representative because of compatibility testing, some business users will take longer to install new version of Windows instead of installing a service package. WINDOWS XP SP2 was conducted for the first time in December last year, followed by the release of "candidates 1" in March this year, and released a "candidate" in June. Tens of thousands of developers and information technology professionals have tested the software. Microsoft said that the service package is one of the most widely tested products from Microsoft.