diff --git a/mercurial/dispatch.py b/mercurial/dispatch.py
--- a/mercurial/dispatch.py
+++ b/mercurial/dispatch.py
@@ -335,7 +335,7 @@ def _runcatch(req):
         compare = myver.split('+')[0]
         ct = tuplever(compare)
         worst = None, ct, ''
-        if True:
+        if ui.config('ui', 'supportcontact', None) is None:
             for name, mod in extensions.extensions():
                 testedwith = getattr(mod, 'testedwith', '')
                 report = getattr(mod, 'buglink', _('the extension author.'))
@@ -367,9 +367,11 @@ def _runcatch(req):
                          '** If that fixes the bug please report it to %s\n')
                        % (name, testedwith, name, report))
         else:
+            bugtracker = ui.config('ui', 'supportcontact', None)
+            if bugtracker is None:
+                bugtracker = _("http://mercurial.selenic.com/wiki/BugTracker")
             warning = (_("** unknown exception encountered, "
-                         "please report by visiting\n") +
-                       _("** http://mercurial.selenic.com/wiki/BugTracker\n"))
+                         "please report by visiting\n** ") + bugtracker + '\n')
         warning += ((_("** Python %s\n") % sys.version.replace('\n', '')) +
                     (_("** Mercurial Distributed SCM (version %s)\n") % myver) +
                     (_("** Extensions loaded: %s\n") %
diff --git a/mercurial/help/config.txt b/mercurial/help/config.txt
--- a/mercurial/help/config.txt
+++ b/mercurial/help/config.txt
@@ -1511,6 +1511,11 @@ User interface controls.
 ``style``
     Name of style to use for command output.
 
+``supportcontact``
+    Location pointed at in Mercurial traceback for reporting crash. Use this if
+    you are a large organisation with it's own Mercurial deployement process and
+    crash reports should be addressed to your internal support.
+
 ``timeout``
     The timeout used when a lock is held (in seconds), a negative value
     means no timeout. (default: 600)
diff --git a/tests/test-extension.t b/tests/test-extension.t
--- a/tests/test-extension.t
+++ b/tests/test-extension.t
@@ -943,6 +943,15 @@ Older extension is tested with current v
   ** Mercurial Distributed SCM (version 1.9.3)
   ** Extensions loaded: throw, older
 
+Ability to point to a different point
+  $ hg --config extensions.throw=throw.py --config extensions.older=older.py \
+  >   --config ui.supportcontact='Your Local Goat Lenders' throw 2>&1 | egrep '^\*\*'
+  ** unknown exception encountered, please report by visiting
+  ** Your Local Goat Lenders
+  ** Python * (glob)
+  ** Mercurial Distributed SCM (*) (glob)
+  ** Extensions loaded: throw, older
+
 Declare the version as supporting this hg version, show regular bts link:
   $ hgver=`$PYTHON -c 'from mercurial import util; print util.version().split("+")[0]'`
   $ echo 'testedwith = """'"$hgver"'"""' >> throw.py