U-Tools: Unique Tools for Windows System Administrators
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Cloning Requirements

Cloning Requires the Same Base Operating System

See also Basic Requirements.

When cloning Active Directory between two computers the source computer must run the same base operating system as the destination computer. If (for example) the source computer is running an edition of Windows Server 2012 R2 then the destination computer must also run an edition of Windows Server 2012 R2.

You can move Active Directory to a different edition of Windows Server if the base operating system is the same. For example you can move AD from Small Business Server 2008 to Windows Server 2008 Standard Edition. Or from Windows Server 2016 Standard Edition to Windows Server 2016 Datacenter Edition. See the Supported OS Clone Combinations.

Windows Server 2012 (non-R2) to Windows Server 2012 R2

You cannot use U-Move to clone AD from Windows Server 2012 (non-R2) to Windows Server 2012 R2. This is because the base operating systems are different (Windows 8 versus Windows 8.1).

Windows Server 2008 (non-R2) to Windows Server 2008 R2

You cannot use U-Move to clone AD from Windows Server 2008 (non-R2) to Windows Server 2008 R2. This is because the base operating systems are different (Vista versus Windows 7).

Alternate Procedure for non-R2 to R2: Swing Migration

To move AD from a non-R2 operating system to an R2 operating system you must do a swing migration.

Cloning from 32-bit to 64-bit

U-Move can clone Active Directory from 32-bit Windows Server 2003 (x86) to 64-bit Windows Server 2003 (x64), or from 32-bit Windows Server 2008 (x86) to 64-bit Windows Server 2008 (x64).

More Information

For additional information see Supported OS Clone Combinations.