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Network timeouts or packet drops with VMware tools 11.x installed and SEP

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Article ID: 243690

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Updated On:

Products

Endpoint Protection

Issue/Introduction

Network timeouts or packet drops with VMware tools 11.x installed and the Symantec Endpoint Protection (SEP) client.  Other symptoms include Nslookup or Ping failures.

Environment

  • Windows server
  • Vmware virtual machine with VMware tools 11.x with Guest introspection driver

Cause

  • Non Symantec issue
  • Packet drop is seen due to intermittent failure reported by the Microsoft WFP packet injection API.
  • VM is using VMware tools 11.x with Network Introspection driver (vnetWFP.sys) installed.

Resolution

This is not a Symantec Endpoint Protection issue. This issue is documented and fixed with VMware Tools 11.2.6 or newer.

Please see the following VMware KB: Network timeouts or packet drops with VMware Tools 11.x with Guest Introspection Driver (79185) for more details.