🛠 Veeam issue: Failed to connect to server - port 11731

Symptom

• Backup Job failed error:

  

• Error message:

  Failed to connect to server - port 11731

Cause

• This kind of issue 11731 due to the server is unreachable

Solution

• Make sure the server is reachable again.
  • check VPN,
  • Firewall,
  • status of network at site,
  • idRAC,
  • ask local support for help,
  • migrate VM,
  • check NIC of VM, etc…
• Relaunch the job -> Successful.