diff --git a/src/azure-cli-core/azure/cli/core/_profile.py b/src/azure-cli-core/azure/cli/core/_profile.py
index f1d3b1ba880..38877ec69df 100644
--- a/src/azure-cli-core/azure/cli/core/_profile.py
+++ b/src/azure-cli-core/azure/cli/core/_profile.py
@@ -1202,6 +1202,11 @@ def _get_authorization_code_worker(authority_url, resource, results):
             break
         except socket.error as ex:
             logger.warning("Port '%s' is taken with error '%s'. Trying with the next one", port, ex)
+        except UnicodeDecodeError:
+            logger.warning("Please make sure there is no international (Unicode) character in the computer name "
+                           r"or C:\Windows\System32\drivers\etc\hosts file's 127.0.0.1 entries. "
+                           "For more details, please see https://github.com/Azure/azure-cli/issues/12957")
+            break
 
     if reply_url is None:
         logger.warning("Error: can't reserve a port for authentication reply url")