You receive the following error when you install Microsoft Dynamics CRM 2011 for Microsoft Office Outlook: “Installation cannot proceed”

You receive the following error when you install Microsoft Dynamics CRM for Microsoft Office Outlook:

Installation cannot proceed: Setup cannot continue because a pending restart is required. Restart the computer and then try running Setup again.


Check the the crm40setup.log to identify the registry key that causes the issue. The crm40setup.log is located in %appdata%\Microsoft\MSCRM\Logs. Once you have found the registry key, you can delete the registry key with the following steps:

1. Click Start, click Run and type regedit, and then click OK.
2. Locate the Registry Key listed in the Setup Log. For example, the Registry Key is HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce.
3. Right click RunOnce, and then click Delete.

Other common registry keys that cause this error:

• HKEY_CURRENT_USER\Software\Microsoft\Windwos\CurrentVersion\RunOnce
• HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce