---
title: "Characters Not Allowed in Names"
id: "naming-characters-allowed"
project: "MES User Manual"
url: "https://docs.sepasoft.com/articles/user-manual/naming-characters-allowed"
keywords:
  - "illegal characters"
  - "naming conventions"
updated: 2026-07-31T14:55:55Z
---

# Characters Not Allowed in Names

**Sepasoft MES Module Suite**

### Characters Not Allowed in Names

These characters are reserved by the Sepasoft modules.

**Production Equipment**

. ? ! # % ^ \* ~ [ ] { } + = ` \ @ & ( ) < >,

**MES Person**

. ? ! # % ^ \* ~ [ ] { } + = ` \/ " $ | < >

**Other MES Objects**

. ? ! # % ^ \* ~ [ ] { } + = ` \/ " $ | ,

**Machine Recipe Name in Settings & Changeover Module**

Follows the same convention as **Other MES Objects**

****Full-stop period . is allowed as of **3.81.10 SP2**

**Batch Names in Batch Procedure Module**

. ? ! # % ^ \* ~ [ ] { } + = ` \/ " $ | ,

**Sepasoft MES Module Suite**