Getting error to install Exchange 2016 CU18

Question

Error:
The following error was generated when "$error.Clear();
if ([Environment]::OSVersion.Version.Major -ge 6)
{
$WsbBinPath = '\"' + (join-path "$RoleInstallPath" "bin\wsbexchange.exe") + '\"';
$reg= join-path (join-path $env:SystemRoot system32) reg.exe;
$servicecmd = join-path (join-path $env:SystemRoot system32) sc.exe;

          if ((get-service wsbexchange* | where {$_.name -eq "wsbexchange"}))  
          {  
                if ((get-service wsbexchange).Status -eq "Running")  
                {  
                    Start-SetupProcess -Name:"$servicecmd" -Args:"stop wsbexchange";  
                }  
                Start-SetupProcess -Name:"$servicecmd" -Args:"delete wsbexchange";  
          }  

          Start-SetupProcess -Name:"$reg" -Args:"add `"HKCR\CLSID\{D8A2E312-3B17-4293-B71E-CD72A7C04BF3}`" /t REG_SZ /d  `"CExchangeHelper Class`" /f";  
          Start-SetupProcess -Name:"$reg" -Args:"add `"HKCR\CLSID\{D8A2E312-3B17-4293-B71E-CD72A7C04BF3}`" /v AppId /t REG_SZ /d `"{D8A2E312-3B17-4293-B71E-CD72A7C04BF3}`" /f";  
          Start-SetupProcess -Name:"$reg" -Args:"add `"HKCR\CLSID\{D8A2E312-3B17-4293-B71E-CD72A7C04BF3}\LocalServer32`" /t REG_SZ /d `"$WsbBinPath`" /f";  

Answer 1

Hi,
Run Rsop.msc on the exchange server and see if you have configured any Group policy that prevents editting the regestry like this:

Remove it and re-run the setup.

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