CSR 1000v OVA error: “A required disk image was missing”


You might be getting this error “A required disk image was missing” while deploying a new virtual machine from CSR 1000v OVA file. You can ignore this error, but the router will not boot after you power it on. I have written below how I managed to deploy CSR 1000v using OVA file and run the VM. I’m not sure if this is the best solution, but it worked for me.

csr 1000v disk image was missing


Step 1: Extract the OVA archive

The first thing you need to do is extract OVA archive and locate the ISO file. In my case it was named csr1000v-universalk9.16.08.01a-vga.iso. It is almost of the same size as the OVA archive itself.

Step 2: Upload the ISO file to the datastore

Upload the extracted ISO file to the datastore of your ESXi host.

Step 3: Assign ISO file to VM’s CD/DVD drive

Now you need to Edit Settings of your CSR 1000v VM. Make sure its CD/DVD drive is to your ISO image, like shown on the picture below:

Attach ISO file to CD/DVD drive

Step 4: Run VM and access its console.

Now you can run your CSR 1000v VM and access its console. The output of the console is similar to that of a regular router’s serial port:


Thank you for reading. Hope this workaround helped you 🙂

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