If you receive test connection or collection errors with the following message:
"The Login is from an untrusted domain and cannot be used with integrated authentication"
or
"Login failed for user "
Management Pack for Microsoft SQL Server
Aria Operations
To resolve this error message, set the option "Use NTLM V2" to True in the adapter instance configuration under Advanced Settings.
You are seeing this message because your environment is set to use NTLM authentication.
Please see the screenshot below for details: