diff --git a/mod/forum/db/access.php b/mod/forum/db/access.php
index a92df579527..e14c65b1619 100644
--- a/mod/forum/db/access.php
+++ b/mod/forum/db/access.php
@@ -334,5 +334,15 @@ $capabilities = array(
             'manager' => CAP_ALLOW
         )
     ),
+    'mod/forum:allowforcesubscribe' => array(
+
+        'captype' => 'read',
+        'contextlevel' => CONTEXT_MODULE,
+        'archetypes' => array(
+            'student' => CAP_ALLOW,
+            'teacher' => CAP_ALLOW,
+            'editingteacher' => CAP_ALLOW
+        )
+    ),    
 );
 
diff --git a/mod/forum/db/events.php b/mod/forum/db/events.php
index f11bd37aa37..ded6583575d 100644
--- a/mod/forum/db/events.php
+++ b/mod/forum/db/events.php
@@ -25,9 +25,9 @@
 
 /* List of handlers */
 $handlers = array (
-    'user_enrolled' => array (
+    'role_assigned' => array (
         'handlerfile'      => '/mod/forum/lib.php',
-        'handlerfunction'  => 'forum_user_enrolled',
+        'handlerfunction'  => 'forum_user_role_assigned',
         'schedule'         => 'instant',
         'internal'         => 1,
     ),
diff --git a/mod/forum/lang/en/forum.php b/mod/forum/lang/en/forum.php
index 697fc0c03f7..3f995da0350 100644
--- a/mod/forum/lang/en/forum.php
+++ b/mod/forum/lang/en/forum.php
@@ -156,6 +156,7 @@ $string['forum'] = 'Forum';
 $string['forum:addinstance'] = 'Add a new forum';
 $string['forum:addnews'] = 'Add news';
 $string['forum:addquestion'] = 'Add question';
+$string['forum:allowforcesubscribe'] = 'Allow force subscribe';
 $string['forumauthorhidden'] = 'Author (hidden)';
 $string['forumblockingalmosttoomanyposts'] = 'You are approaching the posting threshold. You have posted {$a->numposts} times in the last {$a->blockperiod} and the limit is {$a->blockafter} posts.';
 $string['forumbodyhidden'] = 'This post cannot be viewed by you, probably because you have not posted in the discussion or the maximum editing time hasn\'t passed yet.';
diff --git a/mod/forum/lib.php b/mod/forum/lib.php
index 4d3a84dcdba..74af4b3dee3 100644
--- a/mod/forum/lib.php
+++ b/mod/forum/lib.php
@@ -2861,7 +2861,7 @@ function forum_get_potential_subscribers($forumcontext, $groupid, $fields, $sort
     global $DB;
 
     // only active enrolled users or everybody on the frontpage
-    list($esql, $params) = get_enrolled_sql($forumcontext, '', $groupid, true);
+    list($esql, $params) = get_enrolled_sql($forumcontext, 'mod/forum:allowforcesubscribe', $groupid, true);
 
     $sql = "SELECT $fields
               FROM {user} u
@@ -4680,7 +4680,9 @@ function forum_is_subscribed($userid, $forum) {
     if (is_numeric($forum)) {
         $forum = $DB->get_record('forum', array('id' => $forum));
     }
-    if (forum_is_forcesubscribed($forum)) {
+    // If forum is force subscribed and has allowforcesubscribe, then user is subscribed.
+    if (forum_is_forcesubscribed($forum) &&
+            has_capability('mod/forum:allowforcesubscribe', context_module::instance($forum->id), $userid)) {
         return true;
     }
     return $DB->record_exists("forum_subscriptions", array("userid" => $userid, "forum" => $forum->id));
@@ -6133,6 +6135,7 @@ function forum_update_subscriptions_button($courseid, $forumid) {
 /**
  * This function gets run whenever user is enrolled into course
  *
+ * @deprecated deprecating this function as we will be using forum_user_role_assigned
  * @param stdClass $cp
  * @return void
  */
@@ -6155,6 +6158,38 @@ function forum_user_enrolled($cp) {
     }
 }
 
+/**
+ * This function gets run whenever user is assigned role in course
+ *
+ * @param stdClass $cp
+ * @return void
+ */
+function forum_user_role_assigned($cp) {
+    global $DB;
+
+    $context = context::instance_by_id($cp->contextid, MUST_EXIST);
+
+    // If contextlevel is course then only subscribe user. Role assignment
+    // at course level means user is enroled in course and can subscribe to forum.
+    if ($context->contextlevel != CONTEXT_COURSE) {
+        return;
+    }
+
+    $sql = "SELECT f.id
+              FROM {forum} f
+         LEFT JOIN {forum_subscriptions} fs ON (fs.forum = f.id AND fs.userid = :userid)
+             WHERE f.course = :courseid AND f.forcesubscribe = :initial AND fs.id IS NULL";
+    $params = array('courseid'=>$context->instanceid, 'userid'=>$cp->userid, 'initial'=>FORUM_INITIALSUBSCRIBE);
+
+    $forums = $DB->get_records_sql($sql, $params);
+    foreach ($forums as $forum) {
+        // If user doesn't have allowforcesubscribe capability then don't subscribe.
+        if (has_capability('mod/forum:allowforcesubscribe', context_module::instance($forum->id), $cp->userid)) {
+            forum_subscribe($cp->userid, $forum->id);
+        }
+    }
+}
+
 /**
  * This function gets run whenever user is unenrolled from course
  *
diff --git a/mod/forum/version.php b/mod/forum/version.php
index 0413ee797a0..8a1af57c51b 100644
--- a/mod/forum/version.php
+++ b/mod/forum/version.php
@@ -25,7 +25,7 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$module->version   = 2012061700;       // The current module version (Date: YYYYMMDDXX)
+$module->version   = 2012061701;       // The current module version (Date: YYYYMMDDXX)
 $module->requires  = 2012061700;    // Requires this Moodle version
 $module->component = 'mod_forum';      // Full name of the plugin (used for diagnostics)
 $module->cron      = 60;