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ms.service: backup ms.devlang: NA ms.topic: article ms.tgt_pltfrm: NA ms.workload: TBD ms.date: 10/05/2015 ms.author: trinadhk ;"jimpark";: '' ""aashishr"": ''
The following limits apply to Azure Backup.
| Limit Identifier | Default Limit |
|---|---|
| Number of servers/machines that can be registered against each vault | 50 for Windows Server/Client/SCDPM 200 for IaaS VMs |
| Size of a data source for data stored in Azure vault storage | 54400 GB max1 |
| Number of backup vaults that can be created in each Azure subscription | 25(Backup vaults) 25 Recovery Services vault per region |
| Number of times backup can be scheduled per day | 3 per day for Windows Server/Client 2 per day for SCDPM Once a day for IaaS VMs |
| Data disks attached to an Azure virtual machine for backup | 16 |
- 1The 54400 GB limit does not apply to IaaS VM backup.