Removing an unused module
If a module on your dual-mode appliance is not used, in many cases you can remove it and upgrade directly to version 8.5.
  | Appliance Model | Dual-Mode Configuration: Web Filter & Security + Email Security | Dual-Mode Configuration: Web Security + Email Security | 
|---|---|---|
| V5000 | URL Filtering can be removed with a hotfix Email Security can be removed with a hotfix | Not applicable. This combination is not supported on a V5000. | 
| V10000 | URL Filtering can be removed with a hotfix URL Filtering must be re-hosted; it is not supported standalone on a V10000 | Removing Web Security requires re-imaging the appliance Email Security can be removed with a hotfix | 
See:
 - Removing TRITON AP-EMAIL
- Removing Web Filter & Security
- Removing TRITON AP-WEB