1 files changed, 6 insertions, 1 deletions
diff --git a/synapse/handlers/register.py b/synapse/handlers/register.py
index cd746be7c8..ffda09226c 100644
--- a/synapse/handlers/register.py
+++ b/synapse/handlers/register.py
@@ -150,6 +150,7 @@ class RegistrationHandler(BaseHandler):
         default_display_name=None,
         address=None,
         bind_emails=[],
+        by_admin=False,
     ):
         """Registers a new client on the server.
 
@@ -165,6 +166,8 @@ class RegistrationHandler(BaseHandler):
               will be set to this. Defaults to 'localpart'.
             address (str|None): the IP address used to perform the registration.
             bind_emails (List[str]): list of emails to bind to this account.
+            by_admin (bool): True if this registration is being made via the
+              admin api, otherwise False.
         Returns:
             Deferred[str]: user_id
         Raises:
@@ -172,7 +175,9 @@ class RegistrationHandler(BaseHandler):
         """
         yield self.check_registration_ratelimit(address)
 
-        yield self.auth.check_auth_blocking(threepid=threepid)
+        # do not check_auth_blocking if the call is coming through the Admin API
+        if not by_admin:
+            yield self.auth.check_auth_blocking(threepid=threepid)
 
         if localpart is not None:
             yield self.check_username(localpart, guest_access_token=guest_access_token)