I have installed bugzilla 3.6.3 version and testlink 1.8.5 version in different machines. Am trying to integrat both.
i have done below changes
//Set the bug tracking system Interface
/** DB host to use when connecting to the Bugzilla db */
define('BUG_TRACK_DB_HOST', 'localhost');

/** name of the database that contains the Bugzilla tables */
define('BUG_TRACK_DB_NAME', 'bugs');

/** charset of the database that contains the Bugzilla tables */
define('BUG_TRACK_DB_CHARSET', 'UTF-8');

/** useful if you have several schemas see BUGID 1444*/

/** DB type used for the bugtracking db */

/** DB user and password to use for connecting to the Bugzilla db */
define('BUG_TRACK_DB_USER', 'root');
define('BUG_TRACK_DB_PASS', 'root');

/** link of the web server */
define('BUG_TRACK_HREF', "http://<ip address>:82/show_bug.cgi?id=");

/** link to the bugtracking system, for entering new bugs */
define('BUG_TRACK_ENTER_BUG_HREF',"http://<ip adress>:82/enter_bug.cgi");

2)also changed in In C:\xampp\htdocs\testlink\config.inc.php

But in in execute testcases am not able to see any bugmanagement symbol.Am not gettting any error also.
Anyone please could help me.
in logs file am getting error like
*****Connect to Bug Tracker database fails!!! 1045 - Access denied for user 'root'@'localhost' (using password: YES)*****
but mysql am able to access through command prompt . am able to see bugs database. given all privileges to bugs.* to 'root'@'localhost' identified by 'root';

but still am not able to find the icon.
please anyone coold help me.