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ksetup setrealmflags

Sets realm flags for the specified realm.

Syntax

ksetup /setrealmflags <realmname> [sendaddress] [tcpsupported] [delegate] [ncsupported] [rc4]

Parameters

Parameter Description
<realmname> Specifies the uppercase DNS name, such as CORP.CONTOSO.COM.

Remarks

  • The realm flags specify additional features of a Kerberos realm that aren't based on the Windows Server operating system. Computers that are running Windows Server, can use a Kerberos server to administer authentication in the Kerberos realm, instead of using a domain running a Windows Server operating system. This entry establishes the features of the realm, and are as follows:
Value Realm flag Description
0xF All All realm flags are set.
0x00 None No realm flags are set, and no additional features are enabled.
0x01 sendaddress The IP address will be included within the ticket-granting tickets.
0x02 tcpsupported Both the Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP) are supported in this realm.
0x04 delegate Everyone in this realm is trusted for delegation.
0x08 ncsupported This realm supports name canonicalization, which allows for DNS and Realm naming standards.
0x80 rc4 This realm supports RC4 encryption to enable cross-realm trust, which allows for the use of TLS.
  • Realm flags are stored in the registry under HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\Kerberos\Domains\<realmname>. This entry doesn't exist in the registry by default. You can use the ksetup addrealmflags command to populate the registry.

  • You can see the available and set realm flags by viewing the output of ksetup or ksetup /dumpstate.

Examples

To list the available, and to set realm flags for the realm CONTOSO, type:

ksetup

To set two flags that aren't currently set, type:

ksetup /setrealmflags CONTOSO ncsupported delegate

To verify the realm flag is set, type ksetup and then view the output, looking for the text, Realm flags =. If you don't see the text, it means that the flag hasn't been set.