diff --git a/sccmwtf.py b/sccmwtf.py
index 49ea36a..10665ab 100755
--- a/sccmwtf.py
+++ b/sccmwtf.py
@@ -132,11 +132,16 @@ def sendCCMPostRequest(self, data, auth=False, username="", password=""):
           r = requests.request("CCM_POST", f"{self._serverURI}/ccm_system_windowsauth/request", headers=headers, data=data, auth=HttpNtlmAuth(username, password))
         else:
           r = requests.request("CCM_POST", f"{self._serverURI}/ccm_system/request", headers=headers, data=data)
-
-        multipart_data = decoder.MultipartDecoder.from_response(r)
-        for part in multipart_data.parts:
-            if part.headers[b'content-type'] == b'application/octet-stream':
-                return zlib.decompress(part.content).decode('utf-16')
+        
+        if r.status_code == 200:
+          multipart_data = decoder.MultipartDecoder.from_response(r)
+          for part in multipart_data.parts:
+              if part.headers[b'content-type'] == b'application/octet-stream':
+                  return zlib.decompress(part.content).decode('utf-16')
+        elif r.status_code == 403:
+          print(f"[!] Unauthorized!")
+        else:
+          print(f"[!] Unexpected Error code from SCCM Server: {r.status_code}")
 
     def requestPolicy(self, url, clientID="", authHeaders=False, retcontent=False):
         headers = {