This article applies to:

• NAC 4.0.4
• NAC 3.9.2

Symptoms:

• After installing Java 7 update 45 or higher DSM (compliance scan) is not launching.
  
  

Causes:

• New Java versions have an enhanced security model to make user systems less vulnerable to external exploits. Applications must be prepared in a specific way. 

Resolution:

Download and install the new version of the DSM Client application.

This application is available on the Trustwave Portal file library here (requires login).

Installation instructions:

1. Move DSMClientSigned.zip to the NAC Server, to the root user's home directory
2. On the server, Unzip the file:
   
   unzip DSMClientSigned.zip
3. Run the deploy script
   
   ./deploy
4. Wait for services to be restarted. Then test the DSM client scanning software.