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We have IBM x3500 with raid 5 file server with windows server 2003 sp2. Now we want to update the windows server from 2003 to windows server 2008 or from server 2003 to server 2003 r2, Is there a way that when we update the windows server 2003 will not affect the data/file and permission/security (read,write) of all users rights on the fileserver? Only the operating system will be updated. For now we don't like to reformat complete the file server.<br />
What windows server installer can be used which is good for this issue?
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We have IBM x3500 with raid 5 file server with windows server 2003 sp2. Now we want to update the windows server from 2003 to windows server 2008 or from server 2003 to server 2003 r2, Is there a way that when we update the windows server 2003 will not affect the data/file and permission/security (read,write) of all users rights on the fileserver? Only the operating system will be updated. For now we don't like to reformat complete the file server.
What windows server installer can be used which is good for this issue?

Update server 2003

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

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).

Windows Server 2003

Microsoft hardware includes mice, keyboards, webcams, headsets, display adapters, gaming consoles (including the Xbox One) and the Microsoft Surface family of tablets