You can uninstall Device Service through the Setup Wizard or through Control Panel.
Run naaf-deviceservice-x86-release-<version>.msi.
Click Next.
Select Remove and click Next.
Click Remove.
To uninstall Device Service through Control Panel, select one of the following options that corresponds to your operating system:
In the Start menu, select Control panel and then double-click Programs and Features.
Select NetIQ Device Service and click Uninstall.
Confirm the uninstallation.
In the Search menu, select Apps > Control Panel > Programs > Programs and Features.
Select NetIQ Device Service and click Uninstall.
Confirm the uninstallation.
Right-click Start and select Control Panel > Programs > Programs and Features.
Select NetIQ Device Service and click Uninstall.
Confirm the uninstallation.