Error "Performance Monitor Counter Requirement" when installing SQL Server 2005 Express You'd face this error commonly when installing MSSQL 2005 Server installations : "Performance Monitor Counter Requirement (Error)" Here's a brief information on the error : Setup Configuration Checker (SCC) in Microsoft SQL Server Setup verifies the value of the counter registry key before SQL Server installation begins. It scans the computer where Microsoft SQL Server 2005 will be installed. The SCC checks for conditions that prevent a successful SQL Server installation. Before Setup starts the SQL Server 2005 Installation Wizard, the SCC retrieves the status of each check item, compares the result with required conditions, and provides guidance for removal of blocking issues. All of the SCC check items are network enabled; checks can run on a local computer, as well as in remote and cluster situations. If SCC cannot verify the existing regis...