You can force run Sandbox Healthcheck instead of waiting for 30 minutes' timeout. 

Step-by-step guide

1. Log into Sandbox Server via ssh.

2. To run checker, first you need to delete /var/tmp/sbtest file:

   rm /var/tmp/sbtest

3. Then run checker and wait until it finishes:

   /bin/su -c 'exec /opt/kaspersky/sandbox/libexec/utilities/checker.py -l /var/log/kaspersky/sandbox/checker/checker.log' -s /bin/sh kluser

4. Then on Central Node server run update_sandbox_status.py script:

   sudo -u kluser flock -w 1 /tmp/health_status_sandbox.lock python -B /opt/kaspersky/apt-base/libexec/health_status/update_sandbox_status.py

    

On Central Node under root execute:

And after command's execution wait for 10-15 minutes and gather from SB file /var/tmp/sbtest (for Kaspersky support just in case).