The second link gives the best description of what is going on.

>>See http://dotnetdebug.net/2007/04/04/systeminvalidoperationexception-timeout-expired-the-timeout-period-elapsed-prior-to-obtaining-a-connection-from-the-pool-this-may-have-occurred-because-all-pooled-connections-were-in-use-and-max/
>>
>>or
>>
>>http://www.15seconds.com/issue/040830.htm
>
>Thanks, I will take a look at that.