Quotas - Amazon FSx for Windows File Server
Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China.

Quotas

Following, you can find out about quotas when working with Amazon FSx for Windows File Server.

Quotas that you can increase

Following are the quotas for Amazon FSx for Windows File Server for each Amazon Web Services account, per Amazon Web Services Region, that you can increase.

Resource Default Description

Windows file systems

100

The maximum number of Amazon FSx for Windows Server file systems that you can create in this account.

Windows throughput capacity

10240

The total amount of throughput capacity (in MBps) allowed for all Amazon FSx for Windows file systems in this account.

Windows HDD storage capacity

524288

The maximum amount of HDD storage capacity (in GiB) allowed for all Amazon FSx for Windows File Server file systems in this account.

Windows SSD storage capacity

524288

The maximum amount of SSD storage capacity (in GiB) allowed for all Amazon FSx for Windows File Server file systems in this account.

Windows backups

500

The maximum number of user-initiated backups for all Amazon FSx for Windows File Server file systems that you can have in this account.

To request a quota increase

  1. Open the Amazon Support Center page, sign in if necessary, and then choose Create case.

  2. For Create case, choose Account and billing support.

  3. In the Case details panel make the following entries:

    • For Type choose Account.

    • For Category choose Other Account Issues.

    • For Subject enter FSx for Windows File Server service limit increase request.

    • Provide a detailed Description of your request, including:

      • The FSx quota that you want increased, and the value you want it increased to, if known.

      • The reason why you are seeking the quota increase.

      • The file system id and region for each file system you are requesting an increase for.

  4. Provide your preferred Contact options and choose Submit.

Resource quotas for each file system

Following are the quotas on Amazon FSx for Windows File Server resources for each file system in an Amazon Web Services Region.

Resource Limit per file system
Maximum number of tags 50
Maximum retention period for automated backups 90 days
Maximum number of backup copy requests in progress to a single destination Region per account. 5
Minimum storage capacity, SSD file systems 32 GiB
Minimum storage capacity, HDD file systems 2,000 GiB
Maximum storage capacity, SSD and HDD 64 TiB
Minimum throughput capacity 8 MBps
Maximum throughput capacity 2,048 MBps
Maximum number of file shares 100,000

Additional considerations

In addition, note the following:

  • You can use each Amazon Key Management Service (Amazon KMS) key on up to 125 Amazon FSx file systems.

  • For a list of Amazon Web Services Regions where you can create file systems, see Amazon FSx Endpoints and Quotas in the Amazon General Reference.

  • You map your file shares from Amazon EC2 instances in your virtual private cloud (VPC) with their Domain Name Service (DNS) names.

Quotas specific to Microsoft Windows

For more information, see NTFS limits on the Microsoft Windows Dev Center.