ipsec Services: Only one usage of each socket address protocol network address port is normally permitted.

I have a servers that would not connect to the Internet, if I ping the gateway it says that:

Destination unreachable.

i found that the IPSec service was not stated. And if I start it it say: Only one usage of each socket address protocol network address port is normally permitted.

i found that there have been some problems after install

After Installing MS08-037 (951746 and 951748)

The solution was to reserved som port in the TCP/IP protocol

Here is the list of ports that we have seen conflicts with services on the machine.

  • 1645-1646 – Used by IAS
  • 1701-1701 – Used by L2TP
  • 1812-1813 – Used by IAS
  • 2883-2883 – Used by AUTD
  • 4500-4500 – Used by IPSEC

For now we are suggesting customers be proactive and modify the following registry key:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\ReservedPorts

I also found this in my event viewer

Event Type: Error
Event Source: Service Control Manager
Event Category: None
Event ID: 7023
Date: 7/12/2008
Time: 6:38:37 PM
User: N/A
Computer: SERVER
Description:  The IPSEC Services Service terminated with the following error:  Only one usage of each socket address (protocol/network address/port) is normally permitted.

Event Type: Error
Event Source: IPSec
Event Category: None
Event ID: 4292
Date: 7/15/2008
Time: 2:53:14 PM
User: N/A
Computer:    SERVER
Description:  The IPSec driver has entered Block mode. IPSec will discard all inbound and outbound TCP/IP network traffic that is not permitted by boot-time IPSec Policy exemptions. User Action: To restore full unsecured TCP/IP connectivity, disable the IPSec services, and then restart the computer.  For detailed troubleshooting information, review the events in the Security event log.

Thanks to http://blogs.technet.com/sbs/archive/2008/07/17/some-services-may-fail-to-start-or-may-not-work-properly-after-installing-ms08-037-951746-and-951748.aspx

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