Problem: When trying to open ISA Server Management, the ISA Server 2004 Setup program starts and then fails. An error message, indicating that Setup cannot modify or create the registry entry, SYSTEM\CurrentControlSet\Services\Tcpip\Parameters, is displayed.

Cause: This problem occurs when either of the following conditions is true:

  • ISA Server Management is started using an account that does not have the required permissions.
  • ISA Server Management is started using an account that is already a member of the appropriate security groups, but the user’s access token does not contain the required groups.

Solution: To resolve this problem, do one of the following:

  • If ISA Server Management was started using an account that does not have the required permissions, add the user to the appropriate security groups.
  • If ISA Server Management was started using an account that is already a member of the appropriate security groups, but the user’s access token does not contain the required groups, log the user off. Then, log the user back on.
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