diff --git a/Modules.Database/Adapters/MSSQLServer.vb b/Modules.Database/Adapters/MSSQLServer.vb
index aba98385..910ee5b2 100644
--- a/Modules.Database/Adapters/MSSQLServer.vb
+++ b/Modules.Database/Adapters/MSSQLServer.vb
@@ -189,7 +189,9 @@ Public Class MSSQLServer
     Private Function TestCanConnect(ConnectionString As String) As Boolean
         Try
             _Logger.Debug("Testing connection to [{0}]", MaskConnectionString(ConnectionString))
-            Dim oConnection As New SqlConnection(ConnectionString)
+
+            Dim oDecryptedConnectionString = DecryptConnectionString(ConnectionString)
+            Dim oConnection As New SqlConnection(oDecryptedConnectionString)
             OpenSQLConnection(oConnection)
             oConnection.Close()
             Return True