Cause : This error indicates that the database login information in MAS configuration tool isn't accurate.
To resolve the error:
1. Launch MAS Configuration utility from Start Menu | Statistica x
2. Verify that the DSN information is accurate . Correct the DSNUID and DSNPWD and save the configuration (via File > Save...), if any changes are made.
3. Start the Monitoring and Alerting Server from Control Panel | Administrative Tools | Services