I know the site survey mode can be a tad finicky. Here are some guides to follow to ensure everything is set correctly. Make sure your on 25.13 also for that AP. Not sure if 26.2 has any improvements for site survey mode or not.   https://www.wifi-ry.com/blog/meraki-apos-survey-with-ekahau   https://documentation.meraki.com/MR/WiFi_Basics_and_Best_Practices/Conducting_Site_Surveys_with_MR_Access_Points   I know others have also seen this issue (see below from Twitter):   ... View more