Administration

Table Of Contents
Horizon Agent Configuration Settings
You can use GPO template on the agent OS to turn off True SSO at the pool level or to change defaults
for certificate settings such as key size and count and settings for reconnect attempts.
Note The following table shows the settings to use for configuring the agent on individual virtual
machines, but you can alternatively use the Horizon Agent Configuration template files. The ADMX
template file is named (vdm_agent.admx). Use the template files to make these policy settings apply to all
the virtual machines in a desktop or application pool. If a policy is set the policy takes precedence over
the registry settings.
The ADMX files are available in a bundled .zip file named VMware-Horizon-Extras-Bundle-x.x.x-
yyyyyyy.zip, which you can download from the VMware download site at
https://my.vmware.com/web/vmware/downloads. Under Desktop & End-User Computing, select the
VMware Horizon 7 download, which includes the bundled .zip file.
Table 55. Keys for Configuring True SSO on Horizon Agent
Key
Min &
Max Description
Disable True SSO
N/A Set this key to true to disable the feature on the agent. Use this setting in
the group policy to disable True SSO at the pool level. The default is
false.
Certificate wait timeout
10
-120
Specifies timeout period of certificates to arrive on the agent, in seconds.
The default is 40.
Minimum key size
1024 -
8192
Minimum allowed size for a key. The default is 1024, meaning that by
default, if the key size is below 1024, the key cannot be used.
All key sizes
N/A Comma-separated list of key sizes that can be used. Up to 5 sizes can be
specified; for example: 1024,2048,3072,4096. The default is 2048.
Number of keys to pre-create
1-100 Number of keys to pre-create on RDS servers that provide remote
desktops and hosted Windows applications. The default is 5.
Minimum validity period required
for a certificate
N/A Minimum validity period, in minutes, required for a certificate when it is
being reused to reconnect a user. The default is 5.
Enrollment Server Configuration Settings
You can use Windows Registry settings on the enrollment server OS to configure which domains to
connect to, various timeout periods, polling periods, and retries, and whether to prefer using the certificate
authority that is installed on the same local server (recommended).
To change the advanced configuration settings, you can open the Windows Registry Editor
(regedit.exe) on the enrollment server machine and navigate to the following registry key:
HKLM\SOFTWARE\VMware, Inc.\VMware VDM\Enrollment Service
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