diff --git a/exceptions.py b/exceptions.py
new file mode 100644
index 0000000..8c9427e
--- /dev/null
+++ b/exceptions.py
@@ -0,0 +1,40 @@
+"""
+Copyright 2020 The Magma Authors.
+
+This source code is licensed under the BSD-style license found in the
+LICENSE file in the root directory of this source tree.
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
+
+class ConfigurationError(Exception):
+    """ Indicates that the eNodeB could not be configured correctly. """
+    pass
+
+
+class Tr069Error(Exception):
+    pass
+
+
+class IncorrectDeviceHandlerError(Exception):
+    """ Indicates that we're using the wrong data model for configuration. """
+
+    def __init__(self, device_name: str):
+        """
+        device_name: What device we actually are dealing with
+        """
+        super().__init__()
+        self.device_name = device_name
+
+
+class UnrecognizedEnodebError(Exception):
+    """
+    Indicates that the Access Gateway does not recognize the eNodeB.
+    The Access Gateway will not interact with the eNodeB in question.
+    """
+    pass