Issue description
When entering Jamf ID credentials to create the Push Proxy in Jamf Pro, seeing "Incorrect username or password."
Troubleshooting
Check if the Jamf ID has MFA enabled in Jamf Account under Profile > Security.
If it does, disable MFA for the Jamf ID and re-attempt the process to create the Push Proxy or have a different Jamf Pro user try to create the Push Proxy.
More resources
For more information, see Jamf Push Proxy in the Jamf Pro Documentation.