diff --git a/Azure/README.md b/Azure/README.md
index e0a6a3b..7703d0a 100644
--- a/Azure/README.md
+++ b/Azure/README.md
@@ -85,6 +85,7 @@ If you run into any issues along the way, please open an issue on Github and I'l
 * If an Ansible playbook fails (and they sometimes do), you can pick up where it left off with `ansible-playbook -vvv detectionlab.yml --tags="hostname-goes-here" --start-at-task="taskname"`
 * "Installing Red Team Tooling" hangs if AV isn't disabled successfully
 * It seems like sometimes the logger provisioning "errors" somewhere and causes the box to become tained, despite the provision being successful. Work around this by untainting it: `terraform untaint azurerm_virtual_machine.dc`
+* If running Ansible causes a `fork()` related error message, set the following environment variable before running Ansible: `export OBJC_DISABLE_INITIALIZE_FORK_SAFETY=YES`. More on this [here](https://github.com/clong/DetectionLab/issues/543).
 
 ## Future work required
 * It probably makes sense to abstract all of the logic in `bootstrap.sh` into individual Ansible tasks