<Kolos@discussions.microsoft.com> wrote:

>Hi All,
>
>A strange thing has been happening for a month or so when I retrive data via
>QA. Sometimes the queries fail to run and I receive the following error
>messages.
>
>[Microsoft][ODBC SQL Server Driver]Protocol error in TDS stream
>
>[Microsoft][ODBC SQL Server Driver]TDS buffer length too large
>
>[Microsoft][ODBC SQL Server Driver]Unknown token received from SQL Server
>
>Re-reunning the query does not help only if I re-connect to the server. I
>have checked Books Online and the only info is the following.
>
>'The TDS stream from the server is invalid. This error is typically caused
>by a problem on the server. Check the SQL Server error log.'
>
>To tell you the truth I have not found anything suspicious.
>Could you help me with it? Any help is welcome.
>
>Thanks.
>
>Kolos