Microsoft Azure Virtual Network Limitations and Restrictions


We can create multiple Virtual Networks in different regions considering subscription limits given below.

Virtual Networks are limited to region and each Virtual Network can have any number of subnets. All services deployed in virtual network can access Internet.

Virtual machines in a virtual network can communicate with each other but VM outside Virtual network can’t communicate with Virtual machines in a virtual network.

9.Microsoft Azure-Virtual Network-Access

The following limits apply only for networking resources managed through the classic deployment model per subscription.

Reference: https://azure.microsoft.com/en-in/documentation/articles/azure-subscription-service-limits/#networking-limits

RESOURCE DEFAULT LIMIT MAXIMUM LIMIT
Virtual networks per subscription 50 100
Local network sites per virtual network 20 contact support
DNS Servers per virtual network 20 100
Virtual machines and role instances per virtual network 2048 2048
Concurrent TCP connections for a virtual machine or role instance 500K 500K
Network Security Groups (NSG) 100 200
NSG rules per NSG 200 400
User defined route tables 100 200
User defined routes per route table 100 500
Public IP addresses (dynamic) 5 contact support
Reserved public IP addresses 20 contact support
Public VIP per deployment 5 contact support
Private VIP (ILB) per deployment 1 1
Endpoint Access Control Lists (ACLs) 50 50

 

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