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I also found this about kernel drivers: <a href="http://technet.microsoft.com/en-us/library/cc733976(WS.10).aspx" rel="ugc">http://technet.microsoft.com/en-us/library/cc733976(WS.10).aspx</a>. Since 2008 R2 is only 64-bit, all kernel mode drivers will need to be signed. Signing drivers has only been done in the most recent years. So I really think Microsoft has locked this door tight. I suggest purchasing a new printer. Or you may be able to look in to using a universal print driver, if possible. 
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I also found this about kernel drivers: http://technet.microsoft.com/en-us/library/cc733976(WS.10).aspx [http://technet.microsoft.com/en-us/library/cc733976(WS.10).aspx]. Since 2008 R2 is only 64-bit, all kernel mode drivers will need to be signed. Signing drivers has only been done in the most recent years. So I really think Microsoft has locked this door tight. I suggest purchasing a new printer. Or you may be able to look in to using a universal print driver, if possible.

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I have a Windows 2008 R2 Server that will not allow kernel-mode Printer drivers to install. I have setup a group policy to disable this option and verified that the registry value is set to 0 (disabled). However, when I run gpresults /v it shows &nbsp;that the Value is 0,0,0,0 but the state is enabled. I found a few different articles discussing hotfixes (981957 and 979559) and I uninstalled them. I also found 2 other articles (2160329 and 2479628) but they don't show up as being installed. It still shows that the state is enabled and I can't install my printer. Any help would be appreciated.
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I have a Windows 2008 R2 Server that will not allow kernel-mode Printer drivers to install. I have setup a group policy to disable this option and verified that the registry value is set to 0 (disabled). However, when I run gpresults /v it shows  that the Value is 0,0,0,0 but the state is enabled. I found a few different articles discussing hotfixes (981957 and 979559) and I uninstalled them. I also found 2 other articles (2160329 and 2479628) but they don't show up as being installed. It still shows that the state is enabled and I can't install my printer. Any help would be appreciated.

How do I disable the disallow Kernel-mode Printer drivers installation policy?

Windows Server 2008 and Windows Server 2008 R2, based on the Microsoft Vista codebase, is the last 32-bit server operating system released by Microsoft. It has a number of versions, including including Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Storage; new features included server core installation and Hyper-V.

Windows Server 2008

Active Directory (AD) is a Microsoft brand for identity-related capabilities. In the on-premises world, Windows Server AD provides a set of identity capabilities and services, and is hugely popular (88% of Fortune 1000 and 95% of enterprises use AD). This topic includes all things Active Directory including DNS, Group Policy, DFS, troubleshooting, ADFS, and all other topics under the Microsoft AD and identity umbrella.

Active Directory

Windows Server 2003 was based on Windows XP and was released in four editions: Web, Standard, Enterprise and Datacenter. It also had derivative versions for clusters, storage and Microsoft’s Small Business Server. Important upgrades included integrating Internet Information Services (IIS), improvements to Active Directory (AD) and Group Policy (GP), and the migration to Automated System Recovery (ASR).