diff --git a/contrib/opencensus-ext-azure/CHANGELOG.md b/contrib/opencensus-ext-azure/CHANGELOG.md
index f8c372645..76ee1dd12 100644
--- a/contrib/opencensus-ext-azure/CHANGELOG.md
+++ b/contrib/opencensus-ext-azure/CHANGELOG.md
@@ -2,6 +2,9 @@
 
 ## Unreleased
 
+- Fix missing/None fields in `ExceptionDetails`
+([#1232](https://github.com/census-instrumentation/opencensus-python/pull/1232))
+
 ## 1.1.11
 
 Released 2023-10-12
diff --git a/contrib/opencensus-ext-azure/opencensus/ext/azure/log_exporter/__init__.py b/contrib/opencensus-ext-azure/opencensus/ext/azure/log_exporter/__init__.py
index f837779e3..14e228d06 100644
--- a/contrib/opencensus-ext-azure/opencensus/ext/azure/log_exporter/__init__.py
+++ b/contrib/opencensus-ext-azure/opencensus/ext/azure/log_exporter/__init__.py
@@ -231,6 +231,11 @@ def log_record_to_envelope(self, record):
             if exctype is not None:
                 exc_type = exctype.__name__
 
+            if not exc_type:
+                exc_type = "Exception"
+            if not message:
+                message = "Exception"
+
             envelope.name = 'Microsoft.ApplicationInsights.Exception'
 
             data = ExceptionData(
diff --git a/contrib/opencensus-ext-azure/opencensus/ext/azure/trace_exporter/__init__.py b/contrib/opencensus-ext-azure/opencensus/ext/azure/trace_exporter/__init__.py
index 26c07e6b1..31af8e05c 100644
--- a/contrib/opencensus-ext-azure/opencensus/ext/azure/trace_exporter/__init__.py
+++ b/contrib/opencensus-ext-azure/opencensus/ext/azure/trace_exporter/__init__.py
@@ -96,6 +96,12 @@ def span_data_to_envelope(self, sd):
             )
         if sd.span_kind == SpanKind.SERVER:
             if ERROR_MESSAGE in sd.attributes:
+                message = sd.attributes.get(ERROR_MESSAGE)
+                if not message:
+                    message = "Exception"
+                stack_trace = sd.attributes.get(STACKTRACE, [])
+                if not hasattr(stack_trace, '__iter__'):
+                    stack_trace = []
                 exc_env = Envelope(**envelope)
                 exc_env.name = 'Microsoft.ApplicationInsights.Exception'
                 data = ExceptionData(
@@ -103,9 +109,9 @@ def span_data_to_envelope(self, sd):
                         'id': 1,
                         'outerId': 0,
                         'typeName': sd.attributes.get(ERROR_NAME, ''),
-                        'message': sd.attributes[ERROR_MESSAGE],
+                        'message': message,
                         'hasFullStack': STACKTRACE in sd.attributes,
-                        'parsedStack': sd.attributes.get(STACKTRACE, None)
+                        'parsedStack': stack_trace
                     }],
                 )
                 exc_env.data = Data(baseData=data, baseType='ExceptionData')