Version Change check (warning) when installing SqlServer2005 _mssql2005

"Version Change check (warning)" Troubleshooting when installing SqlServer2005
Today, a colleague encountered a "version change check (warning)" Problem when installing SqlServer2005, which caused the installation to fail, warning you as follows:

-Version Change check (warning)
News
Version Change check

To change an existing instance of Microsoft SQL Server 2005 to another version of SQL Server 2005, you must run the SQL Server 2005 installer from a command prompt and include the skuupgrade=1 parameter.

Solution: In fact, warning hints have been given, but did not give an example, I did not understand clearly, depressed ~ ~ ~

In fact, only need to run in cmd "D:/disk1/setup.exe skuupgrade=1" can Be, "D:/disk1/setup.exe" for SqlServer2005 installation package path, test specific circumstances. "Skuupgrade" seemingly must be capitalized to be effective, Khan ~ ~, the actual operation arrived, do not know why.