Event ID 1015 — Windows Installer Service Availability

Applies To: Windows Server 2008

The Windows Installer service is an operating system component that centrally manages application installation and configuration tasks, and also the process of uninstalling applications.

Event Details

Product: Windows Installer - Unicode
ID: 1015
Source: MsiInstaller
Version: 4.0
Message: Failed to connect to server. Error: %1


Reregister the Windows Installer service

To perform this procedure, you must have membership in Administrators, or you must have been delegated the appropriate authority.

To reregister Microsoft Windows Installer:

Caution: Incorrectly editing the registry might severely damage your system. Before making changes to the registry, you should back up any valued data.

  1. Locate the following registry key in the Windows registry: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSIServer
  2. Verify that the ImagePath string contains the correct path for the Msiexec.exe file: Drive:\Windows\System32\Msiexec.exe /V, where Drive is the drive where Windows is installed.
  3. Restart Windows in safe mode, and then register the Msiexec.exe file by typing msiexec /regserver at an elevated command prompt.
  4. Shut down Windows, and then restart it in standard mode.


To verify that Microsoft Windows Installer is available on your computer:

  1. Click Start, click Control Panel, double-click Administrative Tools, and then double-click Services.
  2. Look for Windows Installer in the list of results displayed in the Services window. The presence of Windows Installer in this list indicates that Windows Installer is indeed installed and available on your computer.

Windows Installer Service Availability

Windows Installer Service