I needed to allows N-able Take Control 

The guide online showed that we had to whitelist  *.mspa.n-able.com , however the firewall could not whitelist Wildcard address. The static address’ are

• melgw-mct01.mspa.n-able.com
• sydgw-mct04.mspa.n-able.com
• sydgw-mct05.mspa.n-able.com
• sydgw-mct06.mspa.n-able.com
• sydgw-mct07.mspa.n-able.com