Created attachment 1422568 [details] screenshot Description of problem: Version-Release number of selected component (if applicable): Version 5.7.4.3.20171207173836_e563ef4 How reproducible: 100% Steps to Reproduce: 1.Add azure Provider 2.Perform Smart state analysis on instance 3.navigate to task page, see the error Actual results: Error occur while performing SSA on azure instance. "undefined method `vhd' for #<Azure::Armrest::VirtualMachineModel::Properties::StorageProfile::OsDisk:0x00000000153b3f98>" Expected results: Additional info: It worked fine on 5.8 version