In PS as administrator change your path to the UEMDLLsigning folder cd c:\UEMDllSigning, the one containing the SignUEMDLL.ps1 then run the command .\SignUemDlls.ps1 "C:\AirWatch\AirWatch 2105"

Mine then ran pages and pages of gumph but all the error counters were zero, took 5-15 mins