Which option should an administrator select to capture a manually configured host configuration for future use?

To capture a manually configured host configuration for future use, extracting the host profile is the appropriate action. This process involves creating a host profile that reflects the settings and customizations of a specific host. By extracting the host profile, you essentially create a blueprint of the existing configuration that can be applied to other hosts or restored later, ensuring consistency across the virtual environment.

This method is vital for maintaining uniformity in settings across several hosts, especially in larger deployments. It allows an administrator to quickly replicate configurations and reduce the time needed for manual setup when adding new hosts to the cluster.

The other options do not offer the same capability for capturing and reusing configurations. Importing a host profile is used when bringing in an existing profile from another location, while resetting host customizations would clear any manual configurations, negating the purpose of capturing them. Attaching a host profile applies an existing profile to a host but does not create a new one based on current manual configurations. Thus, extracting the host profile is the only option that enables administrators to save and reuse a customized configuration effectively.