Explore the latest product updates and best practices at our hybrid Checkmk Conference #12 from June 16-18, 2026 – Register here

Werk #13445: Allow single character names

Component REST API
Title Allow single character names
Date Feb 7, 2023
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed
Checkmk versions & editions
2.2.0b1 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT
2.1.0p21 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

Several endpoints (contact_group_config, password, service_group_config, host_group_config, and time_period) used a field which required at least two characters, although it was possible to create a one character name via the UI.

To the list of all Werks