Hello @Kaleb Francoeur ,
I guess we are looking at 2 different things here. Intune connector is required to create computer objects in the on-prem AD for all autopilot-enrolled devices. You need correct permissions for Intune connector to create these computer objects. Refer to: https://learn.microsoft.com/en-us/autopilot/windows-autopilot-hybrid#install-the-intune-connector
However, the following articles helps troubleshoot issues with onboarding script for Defender.
If it doesn't, please reach out to support to troubleshoot further: https://learn.microsoft.com/en-us/defender-endpoint/contact-support
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