Error 29001. Vault Management error: IIS 7.0 Detailed Error - 500.19 - Internal Server Error

During the installation of Vault Professional 2012 (Server) you can sometimes get this error

 

Error 29001. Vault Management error: IIS 7.0 Detailed Error - 500.19 - Internal Server Error.

To address this issue....

 

 Browse to the IIS configuration files located in "C:\Windows\System32\inetsrv\config\applicationHost.config"

Open the file applicationHost.config file in Notepad and modify the line <section name="requestFiltering" overrideModeDefault="Deny" /> 

 

 

 

 

 to read < section name="requestFiltering" overrideModeDefault="Allow" /> 

 Save the file and close Notepad.