So that servers get only one ipv6 address…

C:\Users\administrator.GUAMMIE>netsh int ipv6 sh int

Idx     Met         MTU          State                Name
—  ———-  ———-  ————  —————————
  1          50  4294967295  connected     Loopback Pseudo-Interface 1
10          50        1280  disconnected  isatap.{1C882B80-03D8-4F3C-B703-6A1DC1768F6B}
11          50        1280  disconnected  Teredo Tunneling Pseudo-Interface
14           5        1500  connected     Local Area Connection 4

C:\Users\administrator.GUAMMIE>netsh int ipv6 sh int 14

Interface Local Area Connection 4 Parameters
———————————————-
IfLuid                             : ethernet_9
IfIndex                            : 14
State                              : connected
Metric                             : 5
Link MTU                           : 1500 bytes
Reachable Time                     : 27000 ms
Base Reachable Time                : 30000 ms
Retransmission Interval            : 1000 ms
DAD Transmits                      : 1
Site Prefix Length                 : 64
Site Id                            : 1
Forwarding                         : disabled
Advertising                        : disabled
Neighbor Discovery                 : enabled
Neighbor Unreachability Detection  : enabled
Router Discovery                   : disabled
Managed Address Configuration      : disabled
Other Stateful Configuration       : disabled
Weak Host Sends                    : disabled
Weak Host Receives                 : disabled
Use Automatic Metric               : enabled
Ignore Default Routes              : disabled
Advertised Router Lifetime         : 1800 seconds
Advertise Default Route            : disabled
Current Hop Limit                  : 0
Force ARPND Wake up patterns       : disabled
Directed MAC Wake up patterns      : disabled

netsh interface ipv6 set interface 14 forwarding=disabled routerdiscovery=disabled managedaddress=disabled