Specifies the base Salesforce URL to use for logging in.
Valid Values
url
where url is the root of the Salesforce URL to which you want to connect.
Example
Suppose you have a Salesforce instance that is configured with a production instance and a sandbox instance. You can specify login.salesforce.com as the value for the ServerName property to connect to the production instance or test.salesforce.com to connect to the sandbox instance: