Behavior Differences Between Windows 2000 and Windows NT 4.0 IAS

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A previous version of IAS was released with the Windows NT 4.0 Option Pack. The following section describes the differences in behavior between the two versions.

Windows NT 4.0 IAS Behavior

  • If no domain name is specified during authentication, the IAS server authenticates the user against only the local SAM database.

  • IAS does not use the callback permissions for all user objects. IAS

  • IAS log files are written in ASCII.

Windows 2000 IAS Behavior

  • IAS resolves a user name with no domain specified by using the following sequence:

    1. IAS determines a default domain from the registry, if one is specified there.

    2. If the IAS server is a member of a domain, IAS authenticates the user against that domain.

    3. If the IAS server is not a member of a domain, IAS authenticates the user against the local SAM database.

  • IAS uses the callback permissions for all user objects.

  • IAS log files are multi-language and are written in UTF-8.