During some commandline installation testing I accidentally installed the OpsMgr Data Warehouse in a wrong directory, so I wanted to uninstall the database and used the GUI setup in an effort to delete the Data Warehouse (OperationsManagerDW).

Luckily I did my testing on my demo systems because I saw some frightening screens during my uninstall of the Data Warehouse ;-)

Screenshot of current installation:

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Screenshots of uninstall Data Warehouse:

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Let’s check.

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Seems I only uninstalled the Data Warehouse Database. ;-) By the way I didn’t had to run ResetSRS.exe to get SQL Reporting Services in a Running State.

But wait a minute. I still see the OperationsManagerDW database (Data Warehouse)

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So what did I remove during the uninstall of the Data Warehouse?

It seems that during the Data Warehouse installation the Datawarehouse.Initial.Setup.sql file is copied and run. Which creates the OperationsManagerDW database.

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To remove the Data Warehouse database I had to Delete it from within the SQL Server Management Studio tool. This is probably a good thing, because you don't want to accidentally remove the Data Warehouse with all your historical data ;-)

Finally I was able to re-install the Data Warehouse through the commandline.

Here are the commandline parameters I used to install the Data Warehouse:

msiexec.exe /i D:\Install\OpsMgrSP1\reporting\i386\Reporting2007.msi INSTALLDIR="D:\Program Files\System Center Operations Manager 2007\" /qn /l*v "%temp%\REPORTINGDB_INSTALL.LOG" ADDLOCAL="MOMREPORTINGDB" SQLSVR_INSTANCE="OPSMGRSP1RMS01" MOMREPORTINGDBNAME="OperationsManagerDW" DB_SIZE="1000" DATA_DIR="D:\MSSQL\Data" LOG_DIR="D:\MSSQL\Logs"

As you can see I wanted to install the files on the D-drive. So I used the INSTALLDIR and DATA_DIR and LOG_DIR parameters.