Part of the Salesforce Summer '25 release changed Admin settings around creating and accessing Connected Apps. Follow the instructions below to ensure your Admin User can still access and create new Connected Apps for your Organization.
First, on the User Profile, there is a new permission that needs to be added to the Admin Profile regarding Connected Apps.
Go to Setup
Then go to the Profiles menu
Then go to the i360 Admin User Profile.
Under the Administrative Permissions section, enable the permission to: Approve Uninstalled Connected Apps
Here is more info on the change from Salesforce: Prepare for Connected App Usage Restrictions Change
Access your existing Connected App
Go to the Connected Apps OAuth Usage menu and locate your custom Connected App. From here click Install.
Create a new Connected App
You'll want to first enable Lightning Experience so that you can allow the creation of connect apps, if you don't have Lightning enabled already. Here are the instructions: Lightning what are the options?
NOTE: When you are finished, you can switch back to Classic. Users do not need to use Lightning to use Connected Apps. The Admin User will simply need to toggle between Classic and Lightning to create any Connected Apps.
Once in the Lightning Experience you will need to go to Setup > External Client Apps > Settings
Then switch the last option "Allow creation of Connected Apps" to On:
As of the Summer '25 Salesforce release, the ability to create new Connected Apps will be turned off by default.
Once enabled, a button will appear to create a New Connected App:
