Server 2003 STD R2 to ENT R2 setup error
Trying to upgrade Windows Server 2003 Standard R2 to Windows Server 2003 enterprise R2 and get an error when I select upgrade. “Setup cannot continue because some necessary information cannot be accessed in the registry.” “An I/O operation initiated by the registry failed unrecoverably. The registry could not read in, or write out, or flush, [...]

Answer Question   |  April 4, 2012  10:12 PM
Windows Server 2003 Enterprise R2, Windows Server 2003 Standard R2