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Error message when you try to install Exchange 2007: "The Windows Installer service could not be accessed. This can occur if you are running Windows in safe mode, or if the Windows Installer is not correctly installed"

View products that this article applies to.

Symptoms

You try to install Microsoft Exchange Server 2007 on a computer that has Windows PowerShell installed. However, the installation process fails when it starts to copy Exchange 2007 files. Additionally, the following information is logged in the Exchange Server Setup Progress.log file:
Summary: 5 items. 0 succeeded, 1 failed. 

Copy Exchange Files
Failed

Error:
Installing product C:\Documents and Settings\Administrator.BETATIGER\Desktop\569.03\amd64\exchangeserver.msi failed. The Windows Installer Service could not be accessed. This can occur if you are running Windows in safe mode, or if the Windows Installer is not correctly installed. Contact your support personnel for assistance. Error code is 1601.
The Windows Installer service could not be accessed. This can occur if you are running Windows in safe mode, or if the Windows Installer is not correctly installed. Contact your support personnel for assistance

Organization Preparation

Status: Not started

Bridgehead Role

Status: Not started

Client Access Role

Status: Not started

Mailbox Role

Status: Not started

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Cause

This issue may occur if the Windows Installer service is disabled.

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Workaround

To work around this issue, enable the Windows Installer service. To do this, follow these steps:
  1. Click Start, click Run, type services.msc, and then click OK.
  2. Double-click Windows Installer in the list of services.
  3. In the Windows Installer Properties dialog box, click Manual in the Startup type list.
  4. Click Apply, and then click OK.

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More information

When you try to install Exchange 2007 or Windows PowerShell, the Windows Installer service must be running. If the Windows Installer service is not running when you try to install Windows PowerShell, you receive the following error message:
The Windows Installer service could not be accessed. This can occur if you are running Windows in Safe Mode or if the Windows Installer is not correctly installed.
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
820118 "Setup failed while installing sub-component Exchange ActiveSync with error code 0xC0070641" error message occurs when you try to install Exchange Server 2003

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Keywords: KB925828, kbexpertiseinter, kbtshoot

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Article Info
Article ID : 925828
Revision : 4
Created on : 5/10/2007
Published on : 5/10/2007
Exists online : False
Views : 444