How can get SQL Server configuration Manager if it is disappeared ?

Method 1:

Go to  "Search for Program Files"  and write down

SQLServerManager10.msc------------- For SQL 2008/2008R2

SQLServerManager11.msc--------------For SQL 2008/2012

 

 

Method 2:

Go to "Search for Program Files" and write down

MMC > File > Add/Remove Snal-in> SQL Server Configuration Manager > Add > OK> Console Root > Expand SQL Server Configuration Manager