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If you are facing VPN Client Error 51, IPC Socket Mapping Failure, this article will help you.
![vpn client error 51 ipc socket allocation failed](https://docplayer.net/docs-images/41/14455310/images/page_1.jpg)
Symptom: Although an attempt was made to start the Cisco Patient VPN, You may receive an error like this: “Error 51: Failed to allocate an IPC socket. Error -4h. This is often caused by the VPN service of Cisco System, Inc. it is not necessary to run. Please start this service and try again. “
Face = “Verdana”> Resolution: open Computer Management> Services and Applications> Services, Start the Cisco system, VPN Service Inc.
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