PHP SQL Server connection failure problem and solution _php tips

1, confirm the database service open state
2, php.ini configuration in the extension open
3, check the database-related version
(1) Sql2000 at this point to check the PHP directory and Apache bin directory of the version of the Ntwdblib.dll file is compliant, right click Ntwdblib.dll Look at the file properties can see the version. Sql2000 corresponding Ntwdblib.dll should be a version of 7.0
(2) When the Sql2005 Ntwdblib.dll corresponds to the version of 8.0.
If the version is incorrect, a link failure may occur, and you can check it carefully.
I am in the link sql2005 of the problems encountered, after careful investigation and search to find a solution, I hope to be useful to everyone.

Attachment: Two versions of Ntwdblib.dll files, after downloading the name of the number removed, into Ntwdblib.dll into the corresponding directory.

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