Please help us help you and fill where relevant:
Your LimeSurvey version: LimeSurvey Cloud Version 6.12.4
Own server or LimeSurvey hosting: Limsurvey Cloud
Survey theme/template: Custom fruty23
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Hello,
I have the issue that during testing an internal survey the IP protection for the access key checks activated:
 
Apparently too may people have tried to access the survey from the same IP Adress. This is a problem since it is an internal survey people are meant to access from the intranet - and thus share the same IP adress.

Is there some way to disable this check or mitigate the problem?

As a customer, you should contact LimeSurvey GmbH support.