Fatal error: Uncaught Error: Call to undefined function sqlsrv_connect() in /var/www/php5_include/classes/db/sqlsrv.php:70 Stack trace: #0 /var/www/php5_include/classes/db/sqlsrv.php(102): sqlsrv->connect('10.100.10.157', 'server_overview', 'AE2tnPWRLbdc8hW...', 'server_overview') #1 /var/www/php5_include/classes/redirect/cRedirectManager.php(34): sqlsrv::connectWithDatabasepool('server_overview', true) #2 /var/www/umleitungs_service/index.php(7): cRedirectManager->__construct() #3 {main} thrown in /var/www/php5_include/classes/db/sqlsrv.php on line 70