Applies to: Windows Server 2019, Windows Server 2022, and Windows Server 2025.
A dedicated template standardizes key size, subject handling, intended usage, validity, and enrollment permissions for IIS servers.
Prerequisites
- Administrative access to the affected servers.
- A verified backup and approved maintenance window.
- A pilot system for testing before production rollout.
Step-by-step procedure
- Duplicate the current Web Server template.
- Assign a unique versioned display name.
- Configure cryptography, subject source, validity, and Server Authentication EKU.
- Grant enrollment to a dedicated server group and publish the template.
Commands
certutil -CATemplates
Get-CATemplate | Select Name,DisplayName
certutil -templateVerification
An authorized pilot server can request the template and the resulting certificate contains the intended SAN, key length, and EKU.
Rollback
Unpublish the template and remove enrollment permissions; revoke test certificates if policy requires it.
Security and operations
- Use least privilege and document all production changes.
- Replace example addresses and names with approved values.
- Review relevant Windows event logs after implementation.
Related resources
Canadian Windows VPS and RDS hosting is available from networkmanager.info. Also review the official Microsoft Windows Server documentation.