As part of Enterprise Console installation, SQL Server Express fails to install.
First seen in
Enterprise Console 5.0.0
There are potentially many reasons why SQL Server may fail to install. This article provides guidance on troubleshooting the issue you may have.
What To Do
In the first instance the log files of SQL Server should be checked. For more information on locating these logs and interpreting them, see Microsoft article: http://support.microsoft.com/kb/955396.
Reasons for failures reported to Support include the following: