is VMware Tools currently being installed ? : YES: NO I am doing it from Vcenter
is this a .linux VM ? : YES
Click End VMware Tools. : Already Installed
Is that VMware Workstation you are using to Manage ESXi ?
NO I am doing it from Vcenter
disconnect ALL
We covered this in another question! - https://www.experts-exchange.com/questions/29172805/Vmware-OVF-Export.html?anchorAnswerId=43031066#a43031066
Maybe my comment in that question needs to be selected as a Solution for you!!!!
BUT it's not good practice to keep ISOS or Floppy images attached to VMs, because it can and sometimes stops vMotion, or HA events, so always disconnect when finished.