diff --git a/plugins/httpapi/aci.py b/plugins/httpapi/aci.py
index 0275770c0..489797d25 100644
--- a/plugins/httpapi/aci.py
+++ b/plugins/httpapi/aci.py
@@ -92,10 +92,7 @@ def login(self, username, password):
         self.connection._connected = True
         try:
             response, response_data = self.connection.send(path, data, method=method)
-            response_value = self._get_response_value(response_data)
-            self.connection._auth = {
-                "Cookie": "APIC-Cookie={0}".format(self._response_to_json(response_value).get("imdata")[0]["aaaLogin"]["attributes"]["token"])
-            }
+            self.connection._auth = {"Cookie": response.headers.get("Set-Cookie")}
             self.connection.queue_message("debug", "Connection to {0} was successful".format(self.connection.get_option("host")))
         except Exception as exc_login:
             self.connection._connected = False
diff --git a/plugins/module_utils/aci.py b/plugins/module_utils/aci.py
index 06dc58f42..21740e9bb 100644
--- a/plugins/module_utils/aci.py
+++ b/plugins/module_utils/aci.py
@@ -606,10 +606,14 @@ def response_json(self, rawoutput):
             return
 
         # Extract JSON API output
-        self.imdata = jsondata.get("imdata")
-        if self.imdata is None:
-            self.imdata = dict()
-        self.totalCount = int(jsondata.get("totalCount"))
+        if isinstance(jsondata, list):
+            self.imdata = jsondata
+            self.totalCount = len(jsondata)
+        else:
+            self.imdata = jsondata.get("imdata", {})
+            total_count = jsondata.get("totalCount")
+            if total_count is not None:
+                self.totalCount = int(total_count)
 
         # Handle possible APIC error information
         self.response_error()
diff --git a/plugins/modules/aci_rest.py b/plugins/modules/aci_rest.py
index de385c86c..97311df9f 100644
--- a/plugins/modules/aci_rest.py
+++ b/plugins/modules/aci_rest.py
@@ -316,14 +316,15 @@ def add_annotation(annotation, payload):
         for key, val in payload.items():
             if key in ANNOTATION_UNSUPPORTED:
                 continue
-            att = val.get("attributes", {})
-            if "annotation" not in att.keys():
-                att["annotation"] = annotation
-            # Recursively add annotation to children
-            children = val.get("children", None)
-            if children:
-                for child in children:
-                    add_annotation(annotation, child)
+            if isinstance(val, dict):
+                att = val.get("attributes", {})
+                if "annotation" not in att.keys():
+                    att["annotation"] = annotation
+                # Recursively add annotation to children
+                children = val.get("children", None)
+                if children:
+                    for child in children:
+                        add_annotation(annotation, child)
 
 
 def add_annotation_xml(annotation, tree):
diff --git a/tests/integration/targets/aci_rest/tasks/json_inline.yml b/tests/integration/targets/aci_rest/tasks/json_inline.yml
index 74711ffed..6e60bf26e 100644
--- a/tests/integration/targets/aci_rest/tasks/json_inline.yml
+++ b/tests/integration/targets/aci_rest/tasks/json_inline.yml
@@ -337,4 +337,28 @@
     - nm_add_tenant_annotation_children.imdata.0.fvTenant.attributes.annotation == "test:inoption"
     - nm_add_tenant_annotation_children.imdata.0.fvTenant.children.0.fvAp.attributes.annotation == "test:inoption"
     - nm_add_tenant_annotation_children.imdata.0.fvTenant.children.0.fvAp.children.0.fvAEPg.attributes.annotation == "test:inchild"
-    - nm_add_tenant_annotation_children.imdata.0.fvTenant.children.2.fvCtx.attributes.annotation == "test:inoption"
\ No newline at end of file
+    - nm_add_tenant_annotation_children.imdata.0.fvTenant.children.2.fvCtx.attributes.annotation == "test:inoption"
+
+# Test to check the fix for disabling intersight connectivity issue: https://github.com/CiscoDevNet/ansible-aci/issues/685
+- name: Disable Intersight Connectivity
+  cisco.aci.aci_rest:
+    host: '{{ aci_hostname }}'
+    username: '{{ aci_username }}'
+    password: '{{ aci_password }}'
+    validate_certs: '{{ aci_validate_certs | default(false) }}'
+    use_ssl: '{{ aci_use_ssl | default(true) }}'
+    use_proxy: '{{ aci_use_proxy | default(true) }}'
+    output_level: '{{ aci_output_level | default("info") }}'
+    path: /connector/Systems.json
+    method: post
+    rsp_subtree_preserve: true
+    content:
+      {
+        "AdminState": false
+      }
+  register: disable_intersight_connectivity
+
+- name: Verify Intersight Connectivity is disabled
+  assert:
+    that:
+    - disable_intersight_connectivity.imdata.0.AdminState == false