localhost is not mapped to server name

Hi,
It is a long time that I have been using my box and have some .NET apps
running on it which use a connection string with Server=localhost and I have
not had any problem yet. Today I have updated my box Windows with recent
HotFixes (well I am not 100% sure it is the reason of this problem) and
after that my applications can not login database, and get this exception
"System.Data.SqlClient.SqlException: SQL Server does not exist or access
denied".
When I changed server name from localhost to real server name they are
working properly.
Any advice is welcomed.
Thanks
Mike
(local) instead of localhost
2005 Microsoft MVP C#
Robbe Morris
http://www.masterado.net
http://www.mastervb.net
"masoud bayan" <masoud_bayan@.hotmail.com> wrote in message
news:ujOrVWe7EHA.3644@.TK2MSFTNGP09.phx.gbl...
> Hi,
>
> It is a long time that I have been using my box and have some .NET apps
> running on it which use a connection string with Server=localhost and I
> have
> not had any problem yet. Today I have updated my box Windows with recent
> HotFixes (well I am not 100% sure it is the reason of this problem) and
> after that my applications can not login database, and get this exception
> "System.Data.SqlClient.SqlException: SQL Server does not exist or access
> denied".
> When I changed server name from localhost to real server name they are
> working properly.
>
> Any advice is welcomed.
>
> Thanks
> Mike
>
>