I tried installing dotnetnuke through WPI4.5, The error message thrown is of invalid password. I cheched my database and was able to login with the same credentials. Tried it many tmes , but no luck 
I am using ms sql server 2008 R2 and was able to login to with  sql server authenticatio mode, but while installing dnn i am getting invalid password error. SQL server and windows authentication mode is checked in properties of sql server.Server type: database engine and server name: .  with user name sa and password sa is used for login to ms sql server.
I was able to install blogengine.net using webmatrix.
Thanks
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