diff --git a/youtube_dl/extractor/channel9.py b/youtube_dl/extractor/channel9.py
index 4f000292b7..16d800512a 100644
--- a/youtube_dl/extractor/channel9.py
+++ b/youtube_dl/extractor/channel9.py
@@ -27,7 +27,7 @@ class Channel9IE(InfoExtractor):
                 'title': 'Developer Kick-Off Session: Stuff We Love',
                 'description': 'md5:c08d72240b7c87fcecafe2692f80e35f',
                 'duration': 4576,
-                'thumbnail': 'http://media.ch9.ms/ch9/9d51/03902f2d-fc97-4d3c-b195-0bfe15a19d51/KOS002_220.jpg',
+                'thumbnail': 'http://video.ch9.ms/ch9/9d51/03902f2d-fc97-4d3c-b195-0bfe15a19d51/KOS002_220.jpg',
                 'session_code': 'KOS002',
                 'session_day': 'Day 1',
                 'session_room': 'Arena 1A',
@@ -43,7 +43,7 @@ class Channel9IE(InfoExtractor):
                 'title': 'Self-service BI with Power BI - nuclear testing',
                 'description': 'md5:d1e6ecaafa7fb52a2cacdf9599829f5b',
                 'duration': 1540,
-                'thumbnail': 'http://media.ch9.ms/ch9/87e1/0300391f-a455-4c72-bec3-4422f19287e1/selfservicenuk_512.jpg',
+                'thumbnail': 'http://video.ch9.ms/ch9/87e1/0300391f-a455-4c72-bec3-4422f19287e1/selfservicenuk_512.jpg',
                 'authors': [ 'Mike Wilmot' ],
             },
         }
@@ -94,7 +94,7 @@ def _formats_from_html(self, html):
 
     def _extract_title(self, html):
         title = self._html_search_meta('title', html, 'title')
-        if title is None:           
+        if title is None:
             title = self._og_search_title(html)
             TITLE_SUFFIX = ' (Channel 9)'
             if title is not None and title.endswith(TITLE_SUFFIX):
@@ -115,7 +115,7 @@ def _extract_description(self, html):
         return self._html_search_meta('description', html, 'description')
 
     def _extract_duration(self, html):
-        m = re.search(r'data-video_duration="(?P<hours>\d{2}):(?P<minutes>\d{2}):(?P<seconds>\d{2})"', html)
+        m = re.search(r'"length": *"(?P<hours>\d{2}):(?P<minutes>\d{2}):(?P<seconds>\d{2})"', html)
         return ((int(m.group('hours')) * 60 * 60) + (int(m.group('minutes')) * 60) + int(m.group('seconds'))) if m else None
 
     def _extract_slides(self, html):
@@ -167,7 +167,7 @@ def _extract_session_speakers(self, html):
         return re.findall(r'<a href="/Events/Speakers/[^"]+">([^<]+)</a>', html)
 
     def _extract_content(self, html, content_path):
-        # Look for downloadable content        
+        # Look for downloadable content
         formats = self._formats_from_html(html)
         slides = self._extract_slides(html)
         zip_ = self._extract_zip(html)
@@ -258,16 +258,17 @@ def _real_extract(self, url):
 
         webpage = self._download_webpage(url, content_path, 'Downloading web page')
 
-        page_type_m = re.search(r'<meta name="Search.PageType" content="(?P<pagetype>[^"]+)"/>', webpage)
-        if page_type_m is None:
-            raise ExtractorError('Search.PageType not found, don\'t know how to process this page', expected=True)
+        page_type_m = re.search(r'<meta name="WT.entryid" content="(?P<pagetype>[^:]+)[^"]+"/>', webpage)
+        if page_type_m is not None:
+            page_type = page_type_m.group('pagetype')
+            if page_type == 'Entry':      # Any 'item'-like page, may contain downloadable content
+                return self._extract_entry_item(webpage, content_path)
+            elif page_type == 'Session':  # Event session page, may contain downloadable content
+                return self._extract_session(webpage, content_path)
+            elif page_type == 'Event':
+                return self._extract_list(content_path)
+            else:
+                raise ExtractorError('Unexpected WT.entryid %s' % page_type, expected=True)
 
-        page_type = page_type_m.group('pagetype')
-        if page_type == 'List':         # List page, may contain list of 'item'-like objects
+        else: # Assuming list
             return self._extract_list(content_path)
-        elif page_type == 'Entry.Item': # Any 'item'-like page, may contain downloadable content
-            return self._extract_entry_item(webpage, content_path)
-        elif page_type == 'Session':    # Event session page, may contain downloadable content
-            return self._extract_session(webpage, content_path)
-        else:
-            raise ExtractorError('Unexpected Search.PageType %s' % page_type, expected=True)
\ No newline at end of file