Navigate to Control Panel, Configuration, Configuration Policy, Policy Name, DSM, Web Services, Client, Health Monitoring, and Alert Collector Server Settings.

Specify suitable values for the following items:

Authentication Method
Defines the value that determines the authentication method.
Http Authentication Type
Defines the value that determines the type of http authentication.
Http offers the basic, digest, and NTLM authentication.
Domain
Specifies the domain name of the server.
Password
Defines the password to authenticate with the proxy.
Username
Defines the username to authenticate with the server.