Update best-practices.md

Author: alfpark

articles/batch/best-practices.md

@@ -185,7 +185,7 @@ Review the following guidance related to connectivity in your Batch solutions.
 
 When provisioning [Batch pools in a virtual network](batch-virtual-network.md), ensure that you are closely following the guidelines regarding the use of the `BatchNodeManagement` service tag, ports, protocols and direction of the rule. Use of the service tag is highly recommended; do not use underlying Batch service IP addresses as these can change over time. Using Batch service IP addresses directly can cause instability, interruptions, or outages for your Batch pools. 
 
-For User Defined Routes (UDRs), it is recommended to use `BatchNodeManagement` [service tags](https://docs.microsoft.com/azure/virtual-network/virtual-networks-udr-overview#service-tags-for-user-defined-routes) instead of Batch service IP addresses as these can change over time.
+For User Defined Routes (UDRs), it is recommended to use `BatchNodeManagement` [service tags](../virtual-network/virtual-networks-udr-overview.md#service-tags-for-user-defined-routes) instead of Batch service IP addresses as these can change over time.
 
 ### Honoring DNS