Error: Installation success or error status: 1603

Issue

Unable to install endpoint agent on Windows devices.

Environments

• Nebula
• Windows devices

Symptoms

During installation, did you encounter one of the following:

• An error message
• Endpoint agent not showing on device
• Endpoint not displayed on the Endpoints page

Check for error

The installation attempt failed and a verbose log is needed to troubleshoot the issue. From the local device:

1. Copy the following command to a text file:

   msiexec /i "<fullpath1>\[setupfile].msi" /lv %userprofile%\desktop\MBInstallVerbose.log

2. Replace <fullpath1> and [setupfile] with the path and name of the setup file.
3. Copy and paste the command into an elevated Windows Command Prompt.
4. A MBInstallVerbose.log is created on the desktop.
5. Open the MBInstallVerbose.log with a text editor.
6. Search for the error message:
   Installation success or error status: 1603

Causes and resolutions

Corrupted Windows Management Instrumentation (WMI)

Cause: WMI is corrupted on the endpoint.

Resolution: Confirm WMI is corrupted and repair it.

1. On the endpoint, go to Start > Run. 
2. Enter WMIMGMT.msc and click Ok. 
3. Right-click on WMI Control (Local) and go to Properties.
4. If the general description contains any instances of Invalid class, WMI is broken and needs to be repaired.

Smart App Control

Cause: The Windows setting Smart App Control is blocking the installation.

Resolution: Disable Smart App Control.

1. On the endpoint, search for and launch Smart App Control. 
2. Set it to Off.

If the issue persists, contact Support by opening a ticket and attach the verbose log.