/mcpDescription Parameter Name If a Unity Connection cluster is upgraded to a higher version, this settings specifies the previous version of Unity Connection Default setting: False Prepare Cluster for Rollback to pre 8.0 Trace Parameters Enables the use of separate threads to close trace files. This may improve the performance of the system at the end of a trace file. Default setting: True File Close Thread Flag Defines the high-water mark after which the separate thread used to close trace files stops accepting trace files to close; the trace file is then closed without the use of a separate thread. Default setting: 100 Minimum: 0 Maximum: 500 FileCloseThreadQueueWaterMark Clusterwide Domain Configuration Parameters Defines the top level domain for the organization (for example, cisco.com). Maximum length: 255 Allowed values: Provide a valid domain (for example, cisco.com) with up to 255 of the following characters: any upper or lower case letter (a-z, A-Z), any number (0-9), the hyphen (-), or the dot (.) The dot serves as a domain label separator. Domain labels must not start with a hyphen. The last label (for example, .com) must not start with a number. Abc.1om is an example of an invalid domain. Organization Top Level Domain Defines one or more Fully Qualified Domain Names (FQDN) for the cluster. Multiple FQDNs must be separated by a space. Wildcards can be specified within an FQDN using an asterisk (*). Examples are cluster-1.rtp.cisco.com and *.cisco.com. Requests containing URLs (for example, SIP calls) whose host portion matches any of the FQDNs in this parameter are recognized as a request destined for the cluster and/or devices attached to it. Maximum length: 255 Allowed values: Provide one or more fully qualified domain names (FQDN), or partial FQDNs using the * wildcard (for example, cluster-1.cisco.com or .cisco.com). Multiple FQDNs must be separated by a space. The following characters are allowed: • Any upper or lower case letter (a-z or A-Z) • Any number (0-9) • Hyphen (-) • Asterisk () • Dot (.) The dot serves as a domain label separator. Domain labels must not start with a hyphen. The last label (for example, .com) must not start with a number. Abc.1om serves as an example of an invalid domain. Cluster Fully Qualified Domain Name System Administration Guide 229 System Settings Enterprise Parameters