Indicates the IP address range from which IP addresses are allocated to VPN clients. Consists of a start IP and an end IP. ...

Indicates the IP address range from which IP addresses are allocated to VPN clients. Consists of a start IP and an end IP. This parameter can be configured only if the IPAssignmentMethod parameter is specified to be StaticPool.
If there are no pre-existing IPv4 address pools (see cmdlet description for more details) then it is mandatory to specify an address range