diff --git a/doc/tutorials/dask.rst b/doc/tutorials/dask.rst
index 0a2466ec9053..9d43eb8bcf36 100644
--- a/doc/tutorials/dask.rst
+++ b/doc/tutorials/dask.rst
@@ -510,10 +510,10 @@ IPv6 Support
 
 .. versionadded:: 2.0.0
 
-XGBoost has initial IPv6 support for the dask interface. Due to most of the cluster
-support for IPv6 is partial (duo stack instead of IPv6 only), we require additional user
-configuration similar to :ref:`tracker-ip` to help XGBoost obtain the correct address
-information:
+XGBoost has initial IPv6 support for the dask interface on Linux. Due to most of the
+cluster support for IPv6 is partial (duo stack instead of IPv6 only), we require
+additional user configuration similar to :ref:`tracker-ip` to help XGBoost obtain the
+correct address information:
 
 .. code-block:: python
 
diff --git a/python-package/xgboost/testing.py b/python-package/xgboost/testing.py
index 783862250fc0..4cb5840dd70c 100644
--- a/python-package/xgboost/testing.py
+++ b/python-package/xgboost/testing.py
@@ -1,6 +1,7 @@
 """Utilities for defining Python tests."""
 
 import socket
+from platform import system
 from typing import TypedDict
 
 PytestSkip = TypedDict("PytestSkip", {"condition": bool, "reason": str})
@@ -8,6 +9,10 @@
 
 def has_ipv6() -> bool:
     """Check whether IPv6 is enabled on this host."""
+    # connection error in macos, still need some fixes.
+    if system() not in ("Linux", "Windows"):
+        return False
+
     if socket.has_ipv6:
         try:
             with socket.socket(