Failed to start the database service MSSQL$OfficeServers. Repair this product by selecting it from the Add/Remove Programs menu.

After installing SharePoint when I tried running ‘SharePoint Products and Technologies Configuration Wizard’, it gave below error --

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Failed to start the database service MSSQL$OfficeServers.  Repair this product by selecting it from the Add/Remove Programs menu. 

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I tried reinstalling everything again but in vain. Finally after doing some research got a quick fix.

Solution:

Go to START -> RUN -> REGEDIT

Then locate this folder (HKLM/Software/Microsoft/Shared Tools/Web Server Extensions/12.0/WSS) and change ServerRole key from ‘SingleServer’ to ‘Application’.