diff --git a/docs/Getting_Started/Accessing_the_HPCs/Login_Troubleshooting.md b/docs/Getting_Started/Accessing_the_HPCs/Login_Troubleshooting.md
index 15b52c1f3..ee059ae97 100644
--- a/docs/Getting_Started/Accessing_the_HPCs/Login_Troubleshooting.md
+++ b/docs/Getting_Started/Accessing_the_HPCs/Login_Troubleshooting.md
@@ -72,6 +72,14 @@ to reset your token though [my.nesi.org.nz](https://my.nesi.org.nz/).
 
 Either your link has expired, or it was copied incorrectly.
 
+## Trusting Device results in error
+
+![](../../assets/images/Trusted-Device-error.png)
+
+
+#### This error is caused by a naming conflict, in other words you have used the same name previously.  Choose a different device name and try again
+
+
 ## General Troubleshooting
 
 If you are unsure what the issue is, try the following troubleshooting steps.
diff --git a/docs/assets/images/Trusted-Device-error.png b/docs/assets/images/Trusted-Device-error.png
new file mode 100644
index 000000000..0eb7ca046
Binary files /dev/null and b/docs/assets/images/Trusted-Device-error.png differ