Not able to start Xen VM

Solution Verified - Updated -

Issue

  • Getting the following error while trying to start a XEN VM:
# virsh start VM_name
error: Failed to start domain VM_name
error: POST operation failed: xend_post: error from xen daemon: (xend.err 'Error creating domain: I need 1048576 KiB, but dom0_min_mem is 262144 and shrinking to 262144 KiB would leave only 529240 KiB free.')

Environment

Red Hat Enterprise Linux (RHEL) 5.10

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