Autodesk Network 2012 Licensing Error Message

Hello! I have installed Autodesk Network 2012 with the help of Creation Suite and got several errors in opening the software.
It says that the license is invalid as shown in the image below.
Kindly provide solution to resolve this issue.
Thank You!

Error:
Licensing Error
A valid license could not be obtained by the network license manager.
If you are still unable to access a license, contact your system administrator.
Error [0.0.0]
