Please note that after Oct 20th, P2P device adding on DMSS will require to sign in with a registered account. For how to create a DMSS account use the following link https://dahuawiki.com/DMSS/Create_Dahua_Account . Also you can use the following steps on how to add a device https://dahuawiki.com/DMSS/Add_Dahua_Device_via_P2P and lastly you can use the following link on how to move your local devices over to your account https://dahuawiki.com/DMSS/Transfer