diff --git a/src/content/docs/cloudflare-one/connections/connect-networks/use-cases/rdp/rdp-browser.mdx b/src/content/docs/cloudflare-one/connections/connect-networks/use-cases/rdp/rdp-browser.mdx
index 39bfe5fb7d6038a..550e8a55872f9bc 100644
--- a/src/content/docs/cloudflare-one/connections/connect-networks/use-cases/rdp/rdp-browser.mdx
+++ b/src/content/docs/cloudflare-one/connections/connect-networks/use-cases/rdp/rdp-browser.mdx
@@ -144,7 +144,7 @@ To connect to a Windows machine over RDP:
 	The App Launcher tile will launch a URL of the form `https://<app-domain>/rdp/<vnet-id>/<target-ip>/<port>`. You may also navigate directly to this URL.
 4. Select the port that you want to connect to. The port selection screen only appears if the Access application allows RDP traffic on multiple ports (for example, port `3389` and port `65321`).
 5. (Optional) In your browser settings, allow the Access application to access the clipboard. Clipboard permissions grant the ability to copy or paste text between the local machine and the remote Windows machine.
-6. Enter your Windows username and password.
+6. Enter your Windows username and password. The section below on compatibility covers which formats are supported for login credentials.
 
 You now have access to the remote Windows desktop.
 
@@ -174,6 +174,43 @@ Browser-based RDP supports connecting to Windows machines that run the following
 | Other Chromium-based browsers (Opera, Brave) | ✅            |
 | Internet Explorer 11 and below               | ❌            |
 
+### User identifier formats
+
+Browser-based RDP supports connecting to Windows machines with the following formats:
+
+#### Security Accounts Manager (SAM)
+
+SAM-formatted user identifiers are supported with and without spaces.
+
+`domain\username with spaces` format:
+- The domain may have a maximum of 20 characters.
+- The username may have a maximum of 15 characters.
+
+`.\username` format:
+- This uses the default domain.
+- The username may have a maximum of 20 characters.
+
+Examples:
+- `DOMAIN\username with spaces`
+- `DOMAIN\username`
+- `.\username`
+- `.\username with spaces`
+- `username`
+- `username with space`
+
+#### User Principal Name (UPN)
+
+UPN-formatted user identifiers are supported with spaces, quotes, and unquoted.
+
+Examples:
+- `"username with spaces"@domain.org`
+- `username with spaces@domain.org`
+- `username@domain.org`
+
+:::note
+		Cloudflare will not configure any user identifier on the target. Any user identifier used to authenticate must be pre-configured on the server.
+:::
+
 ### Cloudflare products
 
  <Render file="access/self-hosted-app/product-compatibility" product="cloudflare-one" />
@@ -183,7 +220,10 @@ Browser-based RDP supports connecting to Windows machines that run the following
 Browser-based RDP does not currently support:
 
 - TLS certificate verification: Cloudflare uses TLS to connect to the target RDP server but does not verify the origin TLS certificate.
-- [WARP authentication](/cloudflare-one/connections/connect-devices/warp/configure-warp/warp-sessions/#configure-warp-sessions-in-access)
-- Audio over RDP
+- [WARP authentication](/cloudflare-one/connections/connect-devices/warp/configure-warp/warp-sessions/#configure-warp-sessions-in-access).
+- Clipboard copy and paste control: the ability to define if users can copy/paste content from the remote machine to their local machine and vice versa.
+- Audio over RDP.
+- File transfer.
+