|Title||Fix host renaming in WATO|
|Checkmk Edition||Checkmk Raw Edition (CRE)|
|Compatibility||Compatible - no manual interaction needed|
The host renaming feature was broken for the WATO rules in 1.6.0b1. The function should rename all explicit host names in the rule conditions, but always resulted in an exception like this Exception: 'Rule' object has no attribute 'host_list'.