Small Business Server 2011 Slow to Boot and Several Services Fail to Start


  1. Uncheck Internet Protocol Version 6 (TCP/IPv6) on your Network Card.
  2. In Registry Editor, locate and then click the following registry subkey:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters\
  3. Double-click DisabledComponents to modify the DisabledComponents entry.
    Note If the DisabledComponents entry is unavailable, you must create it. To do this, follow these steps.

    1. In the Edit menu, point to New, and then click DWORD (32-bit) Value.
    2. Type DisabledComponents, and then press ENTER.
    3. Double-click DisabledComponents.
  4. Enter “ffffffff” (eight f’s), and then click OK:clip_image002
  5. Reboot the SBS 2011 server.

RRAS (VPN) Note: If you plan to enable VPN on your SBS 2011 server, you MUST also Export and then Delete the following registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\RemoteAccess\RouterManagers\Ipv6

If you do not delete this key you will get an 20103 Event when trying to start RRAS with IPv6 disabled.  You must reboot after removing this key.


disable IPv6