Getting Detail of SQL Server from Registry

From a Command prompt you can run the following REG instructions

To Get remote server details:
- Add \\servername\... before HKLM to get remote machine details


reg query HKLM\Software\Microsoft\MSSQLServer\MSSQLServer\CurrentVersion /v CurrentVersion


For SQL Server 2000
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reg query "HKLM\Software\Microsoft\Microsoft SQL Server" /v InstalledInstances



reg query "HKLM\Software\Microsoft\Microsoft SQL Server\80\MSSQLLicenseInfo\MSSQL8.00" /v ConcurrentLimit

-- For each instance, replace MSSQLServer with 80\InstanceName from in the following
reg query HKLM\Software\Microsoft\MSSQLServer\Setup /v Edition
reg query HKLM\Software\Microsoft\MSSQLServer\Cluster /v ClusterName
reg query HKLM\Software\Microsoft\MSSQLServer\MSSQLServer\CurrentVersion /v CSDVersion
reg query HKLM\Software\Microsoft\MSSQLServer\MSSQLServer\SuperSocketNetLib\Tcp /v TcpPort


----- Using Registy Server Listing ---
reg query "HKLM\Software\Microsoft\Microsoft SQL Server\80\Tools\Client\PrefServers" ServerN (where N represents the server number )

reg query "HKLM\Software\Microsoft\Microsoft SQL Server\80\Tools\Client\PrefServers" UserN (where N represents the default login corresponding the ServerN )


For SQL Server 2005
-------------------
reg query "HKLM\Software\Microsoft\Microsoft SQL Server\Instance Names"
- Subkeys represent a different SQL Server Product (SQL=SQL Server, RS=Reporting Server, etc)


- Replace MSSQL.1 with each of the keys from "Inteance Names" on below
reg query "HKLM\Software\Microsoft\Microsoft SQL Server\MSSQL.1\Setup" /v Edition
reg query "HKLM\Software\Microsoft\Microsoft SQL Server\MSSQL.1\MSSQLServer\CurrentVersion" /v CurrentVersion
reg query "HKLM\Software\Microsoft\Microsoft SQL Server\MSSQL.1\MSSQLServer\SuperSocketNetLib\Tcp\IPAll" /v TcpPort