Event ID 4965 - IPsec received a packet from a remote computer with an incorrect Security Parameter Index (SPI).
|Description||IPsec received a packet from a remote computer with an incorrect Security Parameter Index (SPI).|
This log data gives the following information:
- Remote network address
- Inbound SA SPI
Reasons to monitor this event:
- This is usually caused by malfunctioning hardware that is corrupting packets.
- If these errors persist, verify that the packets sent from the remote computer are the same as those received by this computer.
- This error might also indicate interoperability problems with other IPsec implementations. In this case, if connectivity is not impeded, then these events can be ignored.
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Event 4965 applies to the following operating systems:
- Windows Server 2008 R2 and 7
- Windows Server 2012 R2 and 8.1
- Windows Server 2016 and 10
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