diff --git a/admin/cli/install.php b/admin/cli/install.php
index 1c37f549057..0dd5102e678 100644
--- a/admin/cli/install.php
+++ b/admin/cli/install.php
@@ -115,12 +115,12 @@ if (function_exists('date_default_timezone_set') and function_exists('date_defau
 define('MOODLE_INTERNAL', true);
 
 // Check that PHP is of a sufficient version
-if (version_compare(phpversion(), "5.2.8") < 0) {
+if (version_compare(phpversion(), "5.3.2") < 0) {
     $phpversion = phpversion();
     // do NOT localise - lang strings would not work here and we CAN NOT move it after installib
-    echo "Sorry, Moodle 2.0 requires PHP 5.2.8 or later (currently using version $phpversion).\n";
-    echo "Please upgrade your server software or install latest Moodle 1.9.x instead.";
-    die;
+    fwrite(STDERR, "Moodle 2.1 or later requires at least PHP 5.3.2 (currently using version $phpversion).\n");
+    fwrite(STDERR, "Please upgrade your server software or install older Moodle version.\n");
+    exit(1);
 }
 
 // set up configuration
diff --git a/admin/cli/install_database.php b/admin/cli/install_database.php
index 9e55c9c7ad0..44412eca4bb 100644
--- a/admin/cli/install_database.php
+++ b/admin/cli/install_database.php
@@ -55,12 +55,12 @@ Example:
 ";
 
 // Check that PHP is of a sufficient version
-if (version_compare(phpversion(), "5.2.8") < 0) {
+if (version_compare(phpversion(), "5.3.2") < 0) {
     $phpversion = phpversion();
     // do NOT localise - lang strings would not work here and we CAN NOT move it after installib
-    fwrite(STDERR, "Sorry, Moodle 2.0 requires PHP 5.2.8 or later (currently using version $phpversion).\n");
-    fwrite(STDERR, "Please upgrade your server software or install latest Moodle 1.9.x instead.\n");
-    die(1);
+    fwrite(STDERR, "Moodle 2.1 or later requires at least PHP 5.3.2 (currently using version $phpversion).\n");
+    fwrite(STDERR, "Please upgrade your server software or install older Moodle version.\n");
+    exit(1);
 }
 
 // Nothing to do if config.php does not exist
@@ -68,7 +68,7 @@ $configfile = dirname(dirname(dirname(__FILE__))).'/config.php';
 if (!file_exists($configfile)) {
     fwrite(STDERR, 'config.php does not exist, can not continue'); // do not localize
     fwrite(STDERR, "\n");
-    die(1);
+    exit(1);
 }
 
 // Include necessary libs
diff --git a/admin/index.php b/admin/index.php
index 77c04045995..70b47dd854f 100644
--- a/admin/index.php
+++ b/admin/index.php
@@ -30,11 +30,11 @@ if (!file_exists('../config.php')) {
 }
 
 // Check that PHP is of a sufficient version as soon as possible
-if (version_compare(phpversion(), '5.2.0') < 0) {
+if (version_compare(phpversion(), '5.3.2') < 0) {
     $phpversion = phpversion();
     // do NOT localise - lang strings would not work here and we CAN NOT move it to later place
-    echo "Sorry, Moodle 2.0 requires PHP 5.2.8 or later (currently using version $phpversion). ";
-    echo "Please upgrade your server software or use latest Moodle 1.9.x instead.";
+    echo "Moodle 2.1 or later requires at least PHP 5.3.2 (currently using version $phpversion).<br />";
+    echo "Please upgrade your server software or install older Moodle version.";
     die;
 }
 
diff --git a/install.php b/install.php
index 3ff618b0b47..03d8122737f 100644
--- a/install.php
+++ b/install.php
@@ -62,8 +62,8 @@ if (function_exists('date_default_timezone_set') and function_exists('date_defau
 if (version_compare(phpversion(), "5.2.0") < 0) {
     $phpversion = phpversion();
     // do NOT localise - lang strings would not work here and we CAN not move it after installib
-    echo "Sorry, Moodle 2.0 requires PHP 5.2.8 or later (currently using version $phpversion).<br />";
-    echo "Please upgrade your server software or install latest Moodle 1.9.x instead.";
+    echo "Moodle 2.1 or later requires at least PHP 5.3.2 (currently using version $phpversion).<br />";
+    echo "Please upgrade your server software or install older Moodle version.";
     die;
 }
 
@@ -169,7 +169,7 @@ $memlimit = @ini_get('memory_limit');
 if (!empty($memlimit) and $memlimit != -1) {
     if (get_real_size($memlimit) < get_real_size($minrequiredmemory)) {
         // do NOT localise - lang strings would not work here and we CAN not move it to later place
-        echo "Sorry, Moodle 2.0 requires at least {$minrequiredmemory}B of PHP memory.<br />";
+        echo "Moodle requires at least {$minrequiredmemory}B of PHP memory.<br />";
         echo "Please contact server administrator to fix PHP.ini memory settings.";
         die;
     }
@@ -481,7 +481,7 @@ if ($config->stage == INSTALL_DATABASETYPE) {
 
 
 if ($config->stage == INSTALL_ENVIRONMENT or $config->stage == INSTALL_PATHS) {
-    $version_fail = (version_compare(phpversion(), "5.2.8") < 0);
+    $version_fail = (version_compare(phpversion(), "5.3.2") < 0);
     $curl_fail    = ($lang !== 'en' and !extension_loaded('curl')); // needed for lang pack download
     $zip_fail     = ($lang !== 'en' and !extension_loaded('zip'));  // needed for lang pack download
 
@@ -494,7 +494,7 @@ if ($config->stage == INSTALL_ENVIRONMENT or $config->stage == INSTALL_PATHS) {
 
         echo '<div id="envresult"><dl>';
         if ($version_fail) {
-            $a = (object)array('needed'=>'5.2.8', 'current'=>phpversion());
+            $a = (object)array('needed'=>'5.3.2', 'current'=>phpversion());
             echo '<dt>'.get_string('phpversion', 'install').'</dt><dd>'.get_string('environmentrequireversion', 'admin', $a).'</dd>';
         }
         if ($curl_fail) {