Cisco TelePresence Video Communication Server Administrator's Manual page 292

Reference material
Authentication ADS ADDomain: <S: 0,255>
The Kerberos realm used when the VCS joins the AD domain. Note: this field is case sensitive.
Example: xConfiguration Authentication ADS ADDomain: "CORPORATION.INT"
Authentication ADS Clockskew: <1..65535>
Maximum allowed clockskew between the VCS and the KDC before the Kerberos message is assumed to be
invalid (in seconds).
Default: 300
Example: xConfiguration Authentication ADS Clockskew: 300
Authentication ADS DC [1..5] Address: <S: 0,39>
The address of a domain controller that can be used when the VCS joins the AD domain. Not specifying a
specific AD will result the use of DNS SRV queries to find an AD.
Example: xConfiguration Authentication ADS DC 1 Address: "192.168.0.0"
Authentication ADS Encryption: <Off/TLS>
Sets the encryption to use for the LDAP connection to the ADS server.
Off: no encryption is used.
TLS: TLS encryption is used.
Default: TLS
Example: xConfiguration Authentication ADS Encryption: TLS
Authentication ADS KDC [1..5] Address: <S: 0,39>
The address of a Kerberos Distribution Center (KDC) to be used when connected to the AD domain. Not
specifying a specific KDC will result in the use of DNS SRV queries to find a KDC.
Example: xConfiguration Authentication ADS KDC 1 Address: "192.168.0.0"
Authentication ADS KDC [1..5] Port: <1..65534>
Specifies the port of a KDC that can be used when the VCS joins the AD domain.
Default: 88
Example: xConfiguration Authentication ADS KDC 1 Port: 88
Authentication ADS Mode: <On/Off>
Indicates if the VCS should attempt to form a relationship with the AD.
Default: Off
Example: xConfiguration Authentication ADS Mode: On
Cisco VCS Administrator Guide (X6.1) Page 292 of 401