You can resolve this issue by:
To modify the host profile:
- Log in to the vCenter Server via the vSphere Client.
- Navigate to Home > Management > Host Profiles.
- Select the host profile and click Edit Profile.
- Expand the host profile and navigate to Resource Pool.
- Expand Resource Pool, right-click the folder /host/user/pool<id> and click Remove Profile.
- Click OK.
To create a host profile from a host that does not have any virtual machines:
Note: This profile will not have the /host/user/pool<id> folder.
- Log in to the vCenter Server via the vSphere Client.
- Navigate to Home > Management > Host Profiles.
- Click Create Profile, select Create Profile from existing host and click Next.
- Select the host and click Next.
- Enter a name for the host profile and click Next > Finish.