Error vi​​sual st​​udio 2012 Boolean DTS Design

Sometimes happens to have this error:

Method not found: ‘Boolean

If it happens, you have a problem with Visual studio, to repare you have 3 different Solution:

  1. Delete and install Visual studio
  2. Install il sp2
  3. Use a script
To use the script you have to use visual studio 12 developer Command Prompt. If you want some info where find this tool on your server refer to this link.
At shit point, insert and launch this command, suggest you to open as administrator :

cd “C:\Program Files (x86)\Microsoft Visual Studio 11.0\Common7\IDE\PrivateAssemblies”

gacutil /if Microsoft.SqlServer.Dts.Design.dll
The assemblies position change if you haven’t install visual studio in the default folder. If all works visual studio give you back a message that the dll is correctly installed in cache.
If you use visual studio 2013 the first command is different:
cd “C:\Program Files (x86)\Microsoft Visual Studio 12.0\Common7\IDE\PrivateAssemblies”


Inserisci i tuoi dati qui sotto o clicca su un'icona per effettuare l'accesso:

Logo di

Stai commentando usando il tuo account Chiudi sessione /  Modifica )

Foto Twitter

Stai commentando usando il tuo account Twitter. Chiudi sessione /  Modifica )

Foto di Facebook

Stai commentando usando il tuo account Facebook. Chiudi sessione /  Modifica )

Connessione a %s...