To fix a failure in mounting a share of a cross-zone HA file gateway, perform the following checks:
Check whether the configured virtual IP addresses are valid. For example, if you specify public IP addresses or virtual IP addresses that cause a conflict with entries in the routing table, mounting a share of the cross-zone HA gateway will fail.
Perform ping tests to check network connectivity to the virtual IP addresses.
If you want to mount a Server Message Block (SMB) share on Windows, check whether Lanman Workstation is configured and whether Workstation and TCP/IP NetBIOS Helper services are started. For more information, see What can I do if I cannot mount an SMB share on Windows Server 2019?