Datto RMM: The ‘To’ Number Is Not a Valid Phone Number

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Issue

When you try to disable the Two-Factor One-Time password from the link in the OTP Token login screen, you see the error message, "The To number [phone number] is not a valid phone number."

Environment

  • Datto RMM

Cause

This occurs when the phone number added in My Info uses the 00xx country code format.

Figure 1: The invalid phone number error (click to enlarge)

Solution

Change the phone number format to +xx. For example, the number 00441234567890 should be changed to +441234567890.


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