Description of problem:

Customer added a vcenter to CloudForms 3.2 (cfme-5.4.5) after it was upgraded from vcenter 4.1 to 5.1 and receives the following error. 

33043</ManagedObjectReference><ManagedObjectReference type=\"VirtualMachine\" xsi:type=\"ManagedObjectReference\">vm-150665</ManagedObjectReference><ManagedObjectReference type=\"VirtualMachine\" xsi:type=\"ManagedObjectReference\">vm-33042</ManagedObjectReference><ManagedObjectReference type=\"VirtualMachine\" xsi:type=\"ManagedObjectReference\">vm-14904</ManagedObjectReference><ManagedObjectReference type=\"VirtualMachine\" xsi:type=\"ManagedObjectReference\">vm-19407</ManagedObjectReference><ManagedObjectReference type=\"VirtualMachine\" xsi:type=\"ManagedObjectReference\">vm-34548</ManagedObjectReference><ManagedObjectReference type=\"VirtualMachine\" xsi:type=\"ManagedObjectReference\">vm-168101</ManagedObjectReference><ManagedObjectReference type=\"VirtualMachine\" xsi:type=\"ManagedObjectReference\">vm-33040</ManagedObjectReference><ManagedObjectReference type=\"VirtualMachine\" xsi:type=\"ManagedObjectReference\">vm-14622</ManagedObjectReference><ManagedObjectReference type=\"VirtualMachine\" xsi:type=\"ManagedObjectReference\">vm-14233</ManagedObjectReference><ManagedObjectReference type=\"VirtualMachine\" xsi:type=\"ManagedObjectReference\">vm-18667</ManagedObjectReference><ManagedObjectReference type=\"VirtualMachine\" xsi:type=\"ManagedObjectReference\">vm-33949</ManagedObjectReference></val></changeSet></objectSet></filterSet></returnval></WaitForUpdatesResponse>\n</soapenv:Body>\n</soapenv:Envelope>", @soap_namespace="http://schemas.xmlsoap.org/soap/envelope/", @document=nil, @fault=nil>> has no XML document  Method:[rescue in block in refresh]
[----] E, [2016-10-04T18:08:06.811792 #8533:481e94] ERROR -- : (druby://127.0.0.1:48541) /var/www/miq/lib/VMwareWebService/VimService.rb:1179:in `parse_response'
[----] E, [2016-10-04T18:08:06.811915 #8533:481e94] ERROR -- : MIQ(VcRefresher.refresh) EMS: [PVC2295], id: [1000000000009] Unable to perform refresh for the following targets:
[----] E, [2016-10-04T18:08:06.812055 #8533:481e94] ERROR -- : MIQ(VcRefresher.refresh) EMS: [PVC2295], id: [1000000000009]   EmsVmware: [PVC2295], id: [1000000000009]
[----] I, [2016-10-04T18:08:59.836647 #25478:d15e98]  INFO -- : Q-task_id([log_status]) MIQ(MiqServer.log_system_status) [EVM Server (25281)] MiqQueue count for state=["error"] by zone and role: {"smt-vw-fs"=>{nil=>1}, "RH-SMT1"=>{nil=>2}, "pai-vw-fs"=>{nil=>7}, "RH-VMDB"=>{nil=>7}}

Version-Release number of selected component (if applicable): 5.4.5


How reproducible:


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Expected results:


Additional info: