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AWS fsx documentation change

Service: fsx · 2025-10-01 · Documentation low

File: fsx/latest/WindowsGuide/getting-started.md

Summary

Added IPv6 support documentation across multiple sections including DNS configuration, network type selection, and Active Directory requirements.

Security assessment

Expanded network protocol support documentation without evidence of addressing security vulnerabilities. Focuses on feature enablement rather than security controls.

Diff

diff --git a/fsx/latest/WindowsGuide/getting-started.md b/fsx/latest/WindowsGuide/getting-started.md
index 8f2476f9f..ec36afb4a 100644
--- a//fsx/latest/WindowsGuide/getting-started.md
+++ b//fsx/latest/WindowsGuide/getting-started.md
@@ -202 +202 @@ When you are ready, select the acknowledgement check box, and then choose **Laun
-  10. On the **Instances** screen, you can view the status of the launch. It takes a short time for an instance to launch. When you launch an instance, its initial state is `pending`. After the instance starts, its state changes to `running` and it receives a public DNS name. (If the **Public DNS (IPv4)** column is hidden, choose **Show/Hide Columns** (the gear-shaped icon) in the top right corner of the page and then select **Public DNS (IPv4)**.)
+  10. On the **Instances** screen, you can view the status of the launch. It takes a short time for an instance to launch. When you launch an instance, its initial state is `pending`. After the instance starts, its state changes to `running` and it receives a public DNS name. (If the **Public DNS (IPv4)** or **(IPv6)** column is hidden, choose **Show/Hide Columns** (the gear-shaped icon) in the top right corner of the page and then select **Public DNS (IPv4)** or **(IPv6)**.)
@@ -278 +278 @@ The following procedure shows you how to manually join an existing Amazon EC2 Wi
-  2. Open the TCP/IPv4 properties dialog box on the instance.
+  2. Open the TCP/IPv4 or IPv6 properties dialog box on the instance.
@@ -290 +290 @@ You can open **Network Connections** directly by running the following from a co
-    3. In the connection properties dialog box, open (double-click) **Internet Protocol Version 4**.
+    3. In the connection properties dialog box, open (double-click) **Internet Protocol Version 4** or **Internet Protocol Version 6**.
@@ -292 +292 @@ You can open **Network Connections** directly by running the following from a co
-  3. (Optional) Select **Use the following DNS server addresses** , change the **Preferred DNS server** and **Alternate DNS server** addresses to the IP addresses of the AWS Directory Service–provided DNS servers, and choose **OK**.
+  3. (Optional) Select **Use the following DNS server addresses** , change the **Preferred DNS server** and **Alternate DNS server** addresses to the IPv4 or IPv6 addresses of the AWS Directory Service–provided DNS servers, and choose **OK**.
@@ -397,0 +398,6 @@ If you are creating a Single-AZ file system, choose the **Subnet** for your file
+  4. For **Network type** , select either **IPv4** (for only IPv4 support) or **Dual-stack** (for both IPv4 and IPv6 support). You can change the network type of an existing file system at any time. For more information, see [Changing network type](./manage-network-type.html#change-network-type).
+
+###### Note
+
+If you intend to create an FSx for Windows File Server file system that uses dual-stack mode, you must first assign an Amazon-provided IPv6 CIDR block to your VPC and subnets. For more information, see [Add IPv6 support for your VPC](https://docs.aws.amazon.com/vpc/latest/userguide/vpc-migrate-ipv6-add.html) in the _Amazon Virtual Private Cloud User Guide_.
+
@@ -407 +413 @@ Choose **AWS Managed Microsoft Active Directory** if you want to join your file
-Choose **Self-managed Microsoft Active Directory** if you want to join your file system to a self-managed Microsoft Active Directory domain, , and provide the following details for your Active Directory. For more information see [Using a self-managed Microsoft Active Directory](./self-managed-AD.html).
+Choose **Self-managed Microsoft Active Directory** if you want to join your file system to a self-managed Microsoft Active Directory domain, and provide the following details for your Active Directory. For more information see [Using a self-managed Microsoft Active Directory](./self-managed-AD.html).
@@ -417 +423 @@ Amazon FSx requires a direct connection for internal traffic to your DNS IP addr
-    * **DNS server IP addresses** —the IPv4 addresses of the DNS servers for your domain
+    * **DNS server IP addresses** —the IPv4 or IPv6 addresses of the DNS servers for your domain.