We Have Some Server Running Windows Server 2008 Standard Edition And We want to Upgrade It to Interprise Edition with Saving the Old Standard Licences to use it with other servers

you cannot do this you will have to contact your Microsoft partner and take a valid license key for windows 2008 enterprise, if you are upgrading from standard to enterprise. Thanks http://www.virmansec.com/blogs/skhairuddin

Hello, you have to contact a licensing expert. You can check that with a Microsoft Partner like Syed mentioned. This posting is provided "AS IS" with no warranties or guarantees , and confers no rights. Microsoft Student Partner 2010 / 2011 Microsoft Certified Professional Microsoft Certified Systems Administrator: Security Microsoft Certified Systems Engineer: Security Microsoft Certified Technology Specialist: Windows Server 2008 Active Directory, Configuration Microsoft Certified Technology Specialist: Windows Server 2008 Network Infrastructure, Configuration Microsoft Certified Technology Specialist: Windows Server 2008 Applications Infrastructure, Configuration Microsoft Certified Technology Specialist: Windows 7, Configuring Microsoft Certified IT Professional: Enterprise Administrator

Hi, You can refer to the answer in the link below to upgrade Windows Server 2008 Standard Edition to Enterprise Edition upgrade from Server 2008 standard to server 2008 enterprise http://social.technet.microsoft.com/Forums/en-US/winserversetup/thread/a9fb29a1-9cad-4d01-9e65-ce9b2b88232b/ Regards, Cecilia Zhou -------------------------------------------------------------------------------- Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.