Data type Range Default value
REG_DWORD 0x0 - 0xFFFF 0x0 - 0xFFFF 0x58 (88)


Specifies the TCP port number for the Key Distribution Center (KDC) service on the domain controller.

The KDC service is a network authentication service specified by the Kerberos protocol. Windows 2000 implements a KDC as the authentication service on each domain controller.

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This entry is only used when it appears in the registry of a domain controller.

Windows 2000 does not add this entry to the registry. You can add it by editing the registry or by using a program that edits the registry.

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The Net Logon service records the value of this entry on LDAP SRV records it writes. You can view these records by using DNS dynamic update, or by viewing the netlogon.dns file (Systemroot\System32\config). Also, if the value of DBFlag is 0x2080FFFF, Netlogon records the LDAP SRV records in its debugging log, Netlogon.log (Systemroot\debug).

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