Question:

When a user creates a new Account, the Territory field (API name: Territories) is read-only if only one value is available:

However, this field can be edited on the Windows client and the user is able to select between the provided value and the option None:

What is the reason behind this discrepancy?

Answer:

This is working as designed. The Territory field can be modified on Windows devices regardless of the number of options available.

Related Documentation:

N/A