苹果企业账号In-House Provisioning Profile未可用，能否用Ad-Hoc签名分发应用？

Short answer: Yes, you can absolutely use an Ad-Hoc Provisioning Profile to sign and distribute your app internally while waiting for your In-House profile to activate. Here’s what you need to know for your high-priority rollout:

• Device Registration Requirement: Unlike In-House profiles (which support unlimited, unregistered devices in your organization), Ad-Hoc requires you to add the UDID of every device that needs to install the app to the profile first. If your team has a small to medium number of devices, this is straightforward; for large fleets, you’ll need to keep updating the profile as new devices are added, but it’s a reliable temporary workaround.

• User Installation Steps: The process for end-users is nearly the same as In-House distribution:

  1. Share the Ad-Hoc signed IPA file (via internal file share, email, or Apple Configurator)
  2. Users download the IPA to their device
  3. They’ll need to navigate to Settings > General > VPN & Device Management and trust your enterprise distribution certificate to launch the app

• Full Feature Access: Since you’re using the same enterprise Distribution Certificate and App ID you set up for In-House distribution, the Ad-Hoc signed app will have access to all the capabilities and permissions you configured (push notifications, background modes, iCloud integration, etc.). There’s no functional difference between the two signed builds—only the distribution scope varies.

• Transitioning to In-House Later: Once your In-House Provisioning Profile becomes available (after the two-week waiting period), just re-sign your app with the new profile and redistribute it. This will eliminate the need for UDID management entirely, simplifying future updates for your organization.

内容的提问来源于stack exchange，提问作者user3034944