I need to replace a Windows 2003 SBS Premium Server with 60 licensed clients. The new server (on new hardware) should be a Windows 2008 R2 Server Standard, 60 CALS, and should also run SQL Server 2008 (R2), 60 CALs. No other software from the SBS 2003 Premium is needed or needs to be upgraded, only Windows Server with Active Directory and SQL server were utilized. I understand that there once was a transition pack that lets me convert the Premium server to a Standard server plus the products SQL Server, Exchange Server and ISA Server. However this product can no longer be purchased, and if I could purchase it, I obviously need 60 transition CALs and after migration I would end with a 2003 domain with 60 CALs and also would need to purchase 2008 R2 with 60 CALs and then SQL Server 2008 R2 with 60 CALs. Purchasing the transition pack plus 60 CALs seems rather expensive just for the migration.
How can I migrate the 2003 SBS Server to 2008 R2 standard ?
OTOH is it possible to backup Active directory and restore it to a 2008R2 system, or maybe backup Active Directory, restore it to 2003 Standard then migrate to 2008 R2 ?