To resolve this issue carry out the following:
1) Check the Services, making sure that the Logon As value is the same as in the CMN Directory Connector GUI
2) In the SQL Settings make sure
a) Use Existing Configration checkbox is ticked. [See CMN-DC-SQL-Set Config.jpg]
b) Chose No what the following dialogbox appears [See CMN-DC-SQL-Set Config Response.jpg]
3) Activate the Configuration.
Then Run the Connector