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Removing a snapshot causes virtual machine to lose network connectivity (2012726)

Symptoms

  • Virtual machines becomes unresponsive during snapshot removal
  • A network drop can occur that lasts up to 5 minutes
  • In the vmkernel logs located at /var/log, you see entries similar to:

    Dec 22 15:15:33 sgntstr214 vmkernel: 3:01:01:49.793 cpu2:4217)VFILE: 378: Error connecting: Timeout
    Dec 22 15:15:33 sgntstr214 vmkernel: 3:01:01:49.793 cpu2:4217)VFILE: 417: Error connecting to SVM
    Dec 22 15:15:33 sgntstr214 vmkernel: 3:01:01:49.793 cpu2:4217)WARNING: VFILE: 693: Error connecting to SVM
    Dec 22 15:15:33 sgntstr214 vmkernel: 3:01:01:49.793 cpu2:4217)WARNING: VFILE: 941: VFileFilterConnectWork failed: Timeout 

Cause

This issue occurs due to the VFILE component of vShield Endpoint. VFILE allows security providers like TrendMicro to scan VMDK files.

Resolution

This issue is resolved in vShield 4.1 Update 2. 
 
To download vShield 4.1 Update 2, see the VMware Download Center.

Additional Information

You may also see the above error messages when restarting management agents on an ESX/ESXi.  In this case these errors will be benign.

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