App Control Server: Installation Failure with error ERROR: Cannot find APPPOOL object with identifier "xx" when username contains a space

Products

• Carbon Black App Control (formerly Cb Protection)

Issue/Introduction

• Installation of App control fails while setting up IIS app pool .
• ServerInstall.log shows the following error:

  10:26:27 INSTALLHELPER: C:\Windows\sysWOW64\inetsrv\appcmd.exe set apppool /apppool.name:DefaultAppPool -processModel.identityType:SpecificUser
  10:26:27 INSTALLHELPER: APPPOOL object "DefaultAppPool" changed
  10:26:27 INSTALLHELPER: C:\Windows\sysWOW64\inetsrv\appcmd.exe set apppool /apppool.name:DefaultAppPool -processModel.userName:username\with space
  10:26:28 INSTALLHELPER: ERROR ( message:Cannot find APPPOOL object with identifier "space". )
  10:26:28 INSTALLHELPER: exit status 1168
  10:26:28 IIS: Return Code: 1 on execution of C:\Users\USER\AppData\Local\Temp\{E0186394-F760-4B38-9302-5A4F07C884DE}\{ECD2D524-718A-4A49-8026-337428C013EB}\installhelper.exe.
  10:26:28 IIS: Carbon Black App Control Console could not set up application pool.

Environment

• App Control Server: All supported versions

Cause

The App Control installer is not designed to handle spaces in account name.
(In the above symptom, the account username\with space contains a space )

Resolution

1. Modify the account to remove spaces from the username.
2. Re-run the installation.