Foglight Error on Connecting to SQL databases

1. Hey How can i unlock this account ?  Error details are below.

Triggered at: ​14/03/13 09:11

Usability Connection Availability

The connection to the instance failed. For security reasons, the user account "Domain\MWP_Foglight_Admin" is locked by the agent due to invalid login credentials. Please use the support module to unlock it. Detailed Date: Thu Mar 14 09:11:41 GMT 2013 Module: "MSSQLPool-trawpmis1" Message : "Login failed. The login is from an untrusted domain and cannot be used with Windows authentication.".