IIS WordPress implementation

This past weekend I noticed a tweet cross my feed about the security end of life for php v5.4. This happens on September 14, 2015. Thankfully I noticed this since this blog is running on WordPress and was using php v5.4. I decided it was finally time to upgrade the version of php that my sites are using.

I logged in and launched WPI and searched for php. I found that php 5.5 is already installed on my system and that php 5.6 was available for installation. I went ahead and installed php 5.6. Figured if I was going to make the update, I would go to the latest version. After installation, I changed my php version using PHP Manager, and ran the phpinfo() page. Unlike my php v5.3 and v5/4 implementations, an error page was returned. Specifically a 500.0 error:

ERROR:

C:Program Files (x86)PHPv5.6php-cgi.exe – The FastCGI process exited unexpectedly

Error code: The extended attributes are inconsistent.
(0xff)

I started off using Process Monitor from SysInternals to ensure that the root cause wasn’t an NTFS access issue. The worker process could successfully access php-cgi.exe and no errors were logged.

After doing some Googling, I came across a page that mentioned running the php.exe directly to see if any error messages were returned. Every time I tried to run php.exe from a command line, I got a CLI crash. I finally decided to simply double click the php.exe file to launch it. This provided enough information related to the problem for me to effectively research the issue. php was returning an error:

Faulting application name: php.exe, version: 5.6.0.0, time stamp: 0x53fe2967
Faulting module name: MSVCR110.dll, version: 6.3.9600.17936, time stamp: 0x55a68dd1

I was then able to narrow my search to MSVCR110.dll and found the following forums.iis.net post that resolved the issue for me.

I hope you find this post useful and it saves you some downtime on your sites.

Terri is a Microsoft MVP (ASP .NET/IIS), an MCSA: Windows Server 2012, and IT Infrastructure Specialist at Sherweb.