CA Software Asset Manager throws the error: Zend Guard Run-time support missing

Document ID : KB000004141
Last Modified Date : 14/02/2018
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When logging into CA Software Asset Manager 4.x, after applying the upgrade, I get the following message:

Zend Guard Run-time support missing!

Zend Guard Runtime missing.png

CA Software Asset Manager 4.xusing PHP 5.6

Zend Guard Loader has not been installed or may be misconfigured


Verify the steps performed to "Download, install and configure Zend Guard Loader for PHP 5.6" as described in the CA Software Asset Manager upgrade guide:


Verify the following steps have been performed: 

1.  Download Zend Guard Loader for PHP 5.6 (you may have to register with Zend to download -

2.  Add ZendLoader.dll from zip file to the php extensions directory     (c:\Program Files (x86)\ca\Sam\env\php\ext\)

3.  Add the following lines to the php.ini file   (c:\Program Files (x86)\ca\Sam\env\php\php.ini):


zend_extension="C:\Program Files (x86)\ca\Sam\env\php\ext\ZendLoader.dll"



4.  Make sure the PATH environment variable contains an entry to the PHP.exe    (example:  C:\Program Files (x86)\CA\SAM\env\PHP)

5.  Verify PHP by running PHP.exe -v from the command line, like this:     C:\Users\Administrator>php -v

It should return the following information with your version of PHP: 

PHP 5.4.24 (cli) (built: Jan  8 2014 20:26:10)
Copyright (c) 1997-2013 The PHP Group
Zend Engine v2.4.0, Copyright (c) 1998-2013 Zend Technologies
    with Zend Guard Loader v3.3, Copyright (c) 1998-2013, by Zend Technologies