Problem description

Adding a new device in the Phoenix Management Console fails with the Credentials invalid error. However, the credentials are correct and the share is accessible from a NAS proxy with the same credentials.
The following error is observed at C:\ProgramData\Phoenix\main_service.log:

[2021-01-25 12:41:11,250] [INFO] Validating nas credentials
[2021-01-25 12:42:11,266] [ERROR] Credentials Validation failed for Device 10.1.1.19 due to error Connection timeout of 60 seconds exceeded while waiting for a message id 0 response from the server
[2021-01-25 12:42:11,266] [ERROR] Error <class 'smbprotocol.exceptions.SMBException'>:Connection timeout of 60 seconds exceeded while waiting for a message id 0 response from the server. Traceback -Traceback (most recent call last):
File "client\nas\nas_utils.pyc", line 56, in validate_nas_credentials
File "smbclient\_pool.pyc", line 105, in register_session
File "smbprotocol\connection.pyc", line 881, in connect
File "smbprotocol\connection.pyc", line 1449, in _send_smb2_negotiate
File "smbprotocol\connection.pyc", line 763, in wrapped
File "smbprotocol\connection.pyc", line 1001, in receive
SMBException: Connection timeout of 60 seconds exceeded while waiting for a message id 0 response from the server

Resolution

Enable SMB 2.0 or later on the NAS device.