Dell Wyse ThinOS Version 9.1.3129, 9.1.3112, 9.1.2101, and 9.1.1131 Migration Guide

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Configuring devices by using DNS SRV record

This section describes WMS Server, MQTT, Group Token, and CA Validation User-Defined Options defined using a DNS service.

Table 1. Configuring devices by using DNS SRV recordConfiguring devices by using DNS SRV record
Option tag	Description
WMS server (_WMS_MGMT, Type SRV)	This record points to the Wyse Management Suite server URL. For example, wmsserver.acme.com, where wmsserver.acme.com is the qualified domain name of the server. NOTE There is a known issue that https:// is required in the Wyse Management Suite server URL. If you do not use https://, the device cannot automatically check in to Wyse Management Suite.
(Optional) WMS MQTT Server	This record directs the device to the Wyse Management Suite Push Notification server (PNS). For a private cloud installation, the device gets directed to the MQTT service on the Wyse Management Suite server. For example, wmsservername.domain.com:1883. NOTE MQTT is optional for Wyse Management Suite 2.0 and later versions.
WMS Group Token (_WMS_GROUPTOKEN, Type Text)	This record is required to register the ThinOS device with Wyse Management Suite on public or private cloud. NOTE Group Token is case sensitive. However, it is optional for Wyse Management Suite 2.0 and later versions on private cloud.
WMS CA Validation (_WMS_CAVALIDATION, Type Text)	You can enable or disable CA validation option if you are registering your devices with Wyse Management Suite on private cloud. By default, the CA validation is enabled in the public cloud. You can also disable the CA validation in the public cloud. Enter True, if you have imported the SSL certificates from a well-known authority for https communication between the client and the Wyse Management Suite server. Enter False, if you have not imported the SSL certificates from a well-known authority for https communication between the client and the Wyse Management Suite server. NOTE CA Validation is optional for Wyse Management Suite 2.0 and later versions.