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To connect to your Windows RDP over the Remote Desktop Protocol (RDP), you need its IP address, the username Administrator and its password. Then use Remote Desktop Connection (mstsc) on Windows, the free Windows App on macOS, iOS and Android, or Remmina on Linux.

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What you need

Have these server details ready:
  • IP address: on your server’s page in the Billing Portal
  • Username: Administrator
  • Password: in the welcome email sent when the server was built. After a reinstall, or if you lost it, set a new one with Reset password in the Billing Portal; the new password is shown on screen. See Find your server credentials.
  • Port: 3389, unless you changed the RDP port
Fastest way: download the .rdp file. Open your server in the Billing Portal. On the Overview tab, under Connect with Remote Desktop, click .rdp file. Open the downloaded file and sign in as Administrator with your password. The same card shows the address as IP:3389 if you prefer to type it in.

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How to connect

Choose your current operating system below to see the connection instructions:
Windows has a built-in app called Remote Desktop Connection, so you don’t need to install anything.
1

Open the Run dialog

On your keyboard, hold down the Windows key and press R to open the Run box.
2

Launch mstsc (Remote Desktop Connection)

Type mstsc into the box and press Enter. This opens the Remote Desktop Connection app.
3

Enter your server IP

In the Computer field, paste your FlashRDP server’s IP address. Click Connect.
4

Enter your login details

A window will pop up asking for your credentials. Enter Administrator as the username, paste your password, and click OK.
5

Accept the certificate warning

You’ll likely see a certificate warning, because the server uses a self-signed certificate. This is normal for a new server. Check the Don’t ask me again box and click Yes.
Save your connection: before you click Connect, click Show Options, then Save As to create a .rdp shortcut. Next time, double-click it to connect.

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Troubleshooting

  • Double-check the IP address to make sure you didn’t accidentally paste an extra space at the end.
  • Open your server in the Billing Portal and make sure its status says Running. If it is stopped, click Start.
  • If you changed the RDP port, connect to IP:PORT, for example 203.0.113.10:49152. The .rdp file from the Billing Portal always uses port 3389.
  • Corporate or school networks sometimes block port 3389. Test from another network or a phone hotspot.
  • If the server is running but still unreachable, open the Console in the Billing Portal and check the Windows Firewall and Remote Desktop settings.
  • Passwords are case-sensitive. Copy and paste the password instead of typing it.
  • The welcome email password stops working after a reinstall or a password reset. Use the newest one.
  • If you changed the password inside Windows, use that one.
  • Still locked out? Reset the password from the Billing Portal. The server must be running.
  • If you set an account lockout policy, too many wrong passwords lock the account for the lockout duration you chose. Wait for it to pass, then try again.
  • If you have another account in the Administrators group, sign in with it through the Console in the Billing Portal and unlock the account in Computer Management.

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Last modified on October 11, 2026