Unable to connect to NetBackup primary server using NBCA
While configuring NetBackup VM, if you enter NetBackup Primary Server name, the following error message appears:
Failed to establish connection with the NetBackup master server. Error: HTTPSConnectionPool(host='NBU.master.server', port=443): Max retries exceeded with url: /netbackup/security/ping (Caused by NewConnectionError('<urllib3.connection.HTTPSConnection object at 0x7f9e466b0ef0>: Failed to establish a new connection: [Errno -2] Name or service not known',))
Workaround:
Add IP host name mapping in /etc/hosts to resolve this issue.
For more information, see the following Support article: