What are the best techniques on deploying cloud agent silently on windows PC in a Domain?
You can use group policy or a systems management tool.
AD group policy is one way of doing it, but you could also use other deployment tools.
The Windows installation guide will answer some of your questions: https://www.qualys.com/docs/qualys-cloud-agent-windows-install-guide.pdf.
Please also discuss with your TAM for more environment specific suggestions.
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