You use the command options of the vdmadmin command to specify the operation that you want it to perform.

The following table shows the command options that you can use with the vdmadmin command to control and examine the operation of Horizon 7.

Table 1. Vdmadmin Command Options
Option Description
-A Administers the information that Horizon Agent records in its log files. See Configuring Logging in Horizon Agent Using the -A Option.

Overrides the IP address reported by Horizon Agent. See Overriding IP Addresses Using the -A Option

-F Updates the Foreign Security Principals (FSPs) in Active Directory for all users or for specified users. See Updating Foreign Security Principals Using the ‑F Option.
-H Displays health information about Horizon 7 services. See Listing and Displaying Health Monitors Using the ‑H Option.
-I Generates reports about Horizon 7 operation. See Listing and Displaying Reports of Horizon 7 Operation Using the ‑I Option.
-L Assigns a dedicated desktop to a user or removes an assignment. See Assigning Dedicated Machines Using the ‑L Option.
-M Displays information about a virtual machine or physical computer. See Displaying Information About Machines Using the -M Option.
-N Configures the domains that a Connection Server instance or group makes available to Horizon Client. See Configuring Domain Filters Using the ‑N Option.
-O Displays the remote desktops that are assigned to users who are no longer entitled to those desktops. See Displaying the Machines and Policies of Unentitled Users Using the ‑O and ‑P Options.
-P Displays the user policies that are associated with the remote desktops of unentitled users. See Displaying the Machines and Policies of Unentitled Users Using the ‑O and ‑P Options.
-Q Configures the account in Active Directory account and Horizon 7 configuration of a client device in kiosk mode. See Configuring Clients in Kiosk Mode Using the ‑Q Option.
-R Reports the first user who accessed a remote desktop. See Displaying the First User of a Machine Using the -R Option.
-S Removes a configuration entry for a Connection Server instance from the configuration of Horizon 7. See Removing the Entry for a Connection Server Instance or Security Server Using the ‑S Option.
-T Provides Active Directory secondary credentials to administrator users. See Providing Secondary Credentials for Administrators Using the ‑T Option.
-U Displays information about a user including their remote desktop entitlements and ThinApp assignments, and Administrator roles. See Displaying Information About Users Using the ‑U Option.
-V Unlocks or locks virtual machines. See Unlocking or Locking Virtual Machines Using the ‑V Option.
-X Detects and resolves duplicated LDAP entries on replicated Connection Server instances. See Detecting and Resolving LDAP Entry and Schema Collisions Using the -X Option.