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Bug #26988 Cannot connect to database while offline
Submitted: 2004-01-21 04:22 UTC Modified: 2004-01-21 06:07 UTC
From: david dot nordenberg at uppsala dot se Assigned:
Status: Not a bug Package: MSSQL related
PHP Version: 4.3.5RC1 OS: winxp sp1/mssql 2000 sp3
Private report: No CVE-ID: None
View Developer Edit
 [2004-01-21 04:22 UTC] david dot nordenberg at uppsala dot se 
Description:
------------
I connect to a localy installed database trough the servername "localhost" which resolves to 127.0.0.1 which I can ping. Now if I pull my network cable, php loses the ability to connect to the database, no login attempts is registred by the sql server and php thinks the server does not exist. I can even change the servername value of mssql_connect to "127.0.0.1" but it still won't connect. Other applications can connect just fine to the sql server while not having any network interfaces up but not php, I think I saw the same problem with PHP 5 snapshot about a week old.

Reproduce code:
---------------
$server = "localhost";
$conn = mssql_connect($server, $_SESSION['login'], $_SESSION['passwd']);

Expected result:
----------------
mssql_connect to work

Actual result:
--------------
[client 127.0.0.1] PHP Warning:  mssql_connect() [<a href='function.mssql-connect'>function.mssql-connect</a>]: Unable to connect to server:  localhost in C:\Program\Apache Group\Apache2\htdocs\index.php on line 31, referer: http://localhost/

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 [2004-01-21 06:07 UTC] sniper@php.net 
It's not PHP bug but some bug with the underlying DBLIB.
Make sure you have installed all the patches and latest MDAC components:

http://www.microsoft.com/data/
http://www.microsoft.com/sql

Also, read the various user comments found on page:

http://www.php.net/manual/en/function.mssql-connect.php
 
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