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Werk #19820: Fixed exception when saving a host on a distributed remote site

Component Setup
Title Fixed exception when saving a host on a distributed remote site
Date Apr 8, 2026
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed
Checkmk versions & editions
2.6.0b1
Not yet released
Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT
2.5.0 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT

Saving a host or folder in a distributed remote site caused an error in case the site attribute was not known. Please note that it is generally not a good idea to save a host or folder at a distributed site, as the configuration will be overwritten the next time you click ‘Activate changes’ on the central site.

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