Change the value data on the SkipRearm entry to a positive integer.Find the SkipRearm key under the following header: Save HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsNTCurrentVersionSL.As previously stated, this method works on all versions of Microsoft Vista.

slmgr -rearm can only be run up to three times for a total of 120 days of use further attempts to extend the window of nonactivation using this method are ineffective. Launch a command prompt window (cmd) as an administrator.Įach time you run this command, you add an additional 30 days to Vista's activation counter.The details of each workaround are given below. The first, (slmgr-rearm) works on all versions of Windows Vista, while the second (SkipRearm) only works for Vista Business, Vista Enterprise, or Vista Ultimate. Microsoft is obviously aware of this trend and has included at least two functions in Vista that allow system admins to push back product activation deadlines, as covered here at CyberNet. In a world where even a small security patch could conceivably create major IT headaches, department or company-wide OS upgrades are major endeavors that may only occur after a year or more of 'wait and see' observation combined with careful planning. The larger or more fundamental the update, the greater the chance that a mission-critical application or service will suddenly fail, which explains why companies and government organizations are typically quite slow to jump on the Microsoft upgrade bandwagon. It's a given that any type of company-wide software update has the potential to wreak havoc on a corporation's IT infrastructure and personnel.

Windows vista activation key bypass