Azure Limits Which Affect Installation and Recoverability
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- Last UpdatedJan 02, 2025
Azure Limits Which Affect Installation and Recoverability
You should take into consideration the following default Azure limits which affect installation and recovery.
Storage | Number of storage accounts: |
200 per subscription Maximum amount is 250 |
Virtual Machines Limitations | Number of VMs per region per subscription: |
Default is 20. Increase this default to at least 100. |
Number of VMs per series, cores per subscription, per region: | Increase default to at least 50 for Ds1_v2 series. | |
Resource groups per subscription: | 800 | |
Networking | Network interfaces per region: | 350 |
NICs per instance: |
Depends on instance size. See Sizes for virtual machines in Azure |
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Private IP Addresses per VNET per subscription per region: | 4096 | |
Cloning of IP addresses during recovery operations: | Azure assigns IP addresses dynamically. Moving or failing over Linux VMs with static IP addresses is coordinated by Zerto. In the VPG configuration, specify the static IP address, and Zerto will configure Azure to assign it upon failover. | |
Storage | Storage account total size limitation: |
500TB The number of entities (blobs, containers etc) within a storage account is unlimited. |
Max size of a page blob (vhd): |
8TB |
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Min size of a page blob (vhd): | 20MB | |
Max number of data disks: |
Depends on instance size. See Sizes for virtual machines in Azure |
See also Azure subscription and service limits, quotas, and constraints and Request limits and throttling - Azure Resource Manager.