Microsoft has already seeded its most popular patching tool for corporate users with a reference to Windows 7, its planned successor to Windows Vista. Microsoft has already seeded its most popular patching tool for corporate users with a reference to Windows 7, its planned successor to Windows Vista .Windows 7 Client is listed on the product-selection screen of Windows Server Update Services, which lets IT managers feed security updates to PCs and servers. Microsoft said the appearance of Windows7 in WSUS wasn’t an accident. “This is a standard step in the Windows development process,” a spokeswoman wrote via e-mail. She said that the reference was added for testing purposes.[ Get the analysis and insights that only Randall C. Kennedy can provide on PC tech in InfoWorld’s Enterprise Desktop blog. And download our free Windows performance-monitoring tool. ] Windows 7 is expected late next year or in early 2010. Microsoft started talking about it publicly earlier this year, and the Windows development team launched a Windows 7 blog this month. Software DevelopmentTechnology IndustrySmall and Medium Business