A. The Microsoft article at http://technet.microsoft.com/en-us/library/cc771397.aspx states you can only create a forest trust between a Server 2008/2008 R2 forest and another Server 2008/2008 R2 forest, as shown below.
Click to expand.
This is, in fact, incorrect and Microsoft will update this page to reflect the correct information. You can create a forest trust between any forests that have a forest level of Windows Server 2003 or higher—forest trusts were introduced with Windows Server 2003.Related Reading:
- Q. Do I need to prepare the domain and forest for a Windows Server 2008 R2 domain controller (DC)?
- Q. I need to run the Windows Server 2008 R2 domain and forest preparation program, but my existing domain controllers (DCs) are all 32-bit and Server 2008 R2 is 64-bit only. What can I do?
- Q. If I create a new Windows Server 2008 R2 forest and select Windows Server 2008 R2 Forest mode, is the Active Directory (AD) Recycle Bin enabled automatically?
- Q. How can I export the schema of my Active Directory forest?
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