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BastiaanvanH
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Contributor

PowerCLI Copy-VMGuestFile transfer speed slow

Hello,

In our vCloud setup, we are using Veeam's capability to restore files thru VIX. We notice a very slow restore transfer speed of about 500KB/s. I wanted to eliminate Veeams retore mechanism in this, so I tested with PowerCLI to copy a file from a VM to the vCenter server with Copy-VMGuestFile, this want at max 1500KB/s.

I can not find any reference in what transfer speed to expect from VixVM_CopyFileFromHostToGuest / Copy-VMGuestFile. So I do not know if this speed is as expected, or a problem.

It would help If I had some reference material, I was hoping the community could help me out :slightly_smiling_face: So what is your transfer speed against wirespeed when copying a file from or to a VM. The cmdlet does not give you transfer speed, you can check with Windows Resource Monitor, and then Disk and find the file you are copying (see screenshot).

Copy-VMGuestFile - vSphere PowerCLI Cmdlets Reference

Example: Copy-VMGuestFile -Source c:\temp\test.zip -Destination c:\temp -GuestToLocal -VM "SourceVMName" -GuestUser "domain\administrator" -GuestPassword xxxxxxxxxxx

Thank you in advance!

Regards,

Bastiaan

vix-slow.png

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