Online Documentation for SQL Administrator for SQL Server
Credential Editor
A Credential is a record containing the authentication information required to connect to a resource outside of SQL Server. Most credentials consist of a Windows login and password.
Credentials allow users that connect to SQL Server using SQL Authentication to connect to Windows or other resources outside of SQL Server.
After creating a credential, you can map it to a login. A single credential can be mapped to multiple SQL Server logins. But a SQL Server login can be mapped to only one credential.
Name
Enter a name for the new credential, or view the name of the credential being edited.
Identity with
Use the drop-down list to select the name of the account to be used when connecting outside the server.
Password
Specify the password required for outgoing authentication, and confirm the password in the corresponding box.