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SQL Server Communication link failure
Message
Information générale
Forum:
Visual FoxPro
Catégorie:
Autre
Versions des environnements
Visual FoxPro:
VFP 9 SP2
OS:
Windows Server 2012
Network:
Windows 2008 Server
Database:
MS SQL Server
Application:
Web
Divers
Thread ID:
01604517
Message ID:
01604614
Vues:
37
The error occurs on some requests; randomly; by random users on the same network. Not a specific query or a specific request. Obviously the problem is with the network. I have many good suggestions in this thread on how to "deal" with these issues. One is that now I will add a code (per Borislav's input) to check for the valid connection every time a request is made. This is easy since all of the calls to SQL Server are done via "global" function EXE_SQL_COMMAND. So I will add some code there.
Thank you.

>When does this error occur? On all requests? A particular query?
>
>That error looks more like a network problem - a connection can't be made or an existing connection was broken.
>
>+++ Rick ---
>
>>Hi,
>>
>>Would it be correct to assume that when SQL Select from VFP against SQL Server fails and the error is
>>
>>
>>Communication link failure
>>
>>
>>that the problem was that the SQL Connection timed out by the time user executed the SQL Select? Or if not, what else would be causing this type of error?
>>
>>TIA
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