Sign into Account Management and goto Accounts > Media and Devices. From there you will see a "Deactivate All" (or something along those lines) link/button, Click that.
After this, you will need to activate any other consoles again
Sign into Account Management and goto Accounts > Media and Devices. From there you will see a "Deactivate All" (or something along those lines) link/button, Click that.
After this, you will need to activate any other consoles again