Ensure that the VM has the Dell EqualLogic Agent Service installed and running

When Windows Server 2008 R2 Hyper-V hosts are installed with Dell Auto-Snapshot Manager/Microsoft Edition (ASM/ME) version 4.0 errors are shown when a Smart Copy is made of a virtual machine using the ASM console.

The error is :

Unable to open connection to virtual machine “<servername>”.  The file system may need to be checked for errors after performing a restore of this Smart Copy.  Ensure that the VM has the Dell EqualLogic Agent Service installed and running and that a network connection can be established between the host and VM.

The cause of this error is because in the virtual machine the Dell Dell Auto-Snapshot Manager/Microsoft Edition needs to be installed as well. Other components of the Dell Host Integration Toolkit like the MPIO driver do not need to be installed in the guest.
Smart Copies can be made of a CSV volume or of one or mutliple virtual machines. When a virtual machine is selected for a Smart Copy, an application consistent snapshot is made. This is probably why the ASM needs to be installed in the guest. Also make sure the Hyper-V Integration Services are installed.

When a Smart Copy of a CSV volume is made the data on it will be file consistent.

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