RDP Servers: What They Are, How to Choose One, and How to Secure It

An RDP server is a Windows machine you control from another device over the Remote Desktop Protocol. You see its desktop, use its CPU, RAM and storage, and it keeps running when your own laptop is closed. Renting one is the fastest way to get an always-on Windows environment for trading software, development, automation or a remote team. Choosing well comes down to four things: the hardware behind it, the licensing model, where it sits, and how you lock down access.

TL;DR

• An RDP server is a Windows VPS or dedicated machine you connect to with an RDP client. Your work runs there, not on your device.
• Compare CPU generation, RAM, NVMe storage, location, provisioning speed, support and whether admin access is full.
• Never leave port 3389 open to the whole internet. Put RDP behind a VPN or an RD Gateway, and add NLA and MFA.
• Plain RDP and multi-user Remote Desktop Services (RDS) are different things, and the second needs extra Microsoft licensing.
• AceRDP plans start at 15 EUR per month for Bronze, with Netherlands and US locations and instant provisioning.

Table of Contents

• What an RDP server actually is
• Who needs an RDP server
• What to compare before you rent
• Licensing: the part most buyers miss
• How to connect to an RDP server
• Securing an RDP server
• Our perspective
• Choosing a plan
• AceRDP plans
• Common mistakes to avoid
• FAQ
• Sources

What an RDP server actually is

RDP is Microsoft’s protocol for sending a remote screen, keyboard and mouse input across a network. The server end is a Windows system that accepts those connections. The client end is an app on your Windows PC, Mac, phone or browser.

People use the phrase for three different setups, and mixing them up causes most bad purchases:

1. A Windows VPS with RDP enabled. One virtual machine, usually one admin user, full control. This is what most traders, developers and freelancers rent.
2. A multi-session server. Several people sign in to the same Windows Server at once. This uses the Remote Desktop Session Host (RDSH) role.
3. VDI. Each person gets their own virtual desktop, often with heavier resources.

Microsoft explains that Remote Desktop Services is a set of roles rather than a single tool, with session hosts suited to high-density setups and VDI to specific power-user cases. If you are one person or a small team with separate servers, you want option one. If twenty accountants need the same line-of-business app, you are looking at option two or three.

Who needs an RDP server

The common buyers are quite specific:

• Traders who run platforms and automated strategies around the clock and want a stable connection close to a broker’s servers instead of home Wi-Fi.
• Developers and software teams who need a clean Windows build or test machine, or a Windows-only toolchain, without buying hardware.
• Remote workers and professionals who want the same desktop from a laptop, a tablet or a borrowed computer.
• Agencies that keep each client’s environment on its own server so access can be granted and revoked cleanly.
• Startups and SaaS teams that need extra compute for a few months and don’t want to commit to a data center.
• Automation users running scripts, browsers or bots that must stay online.

If you only need a command line on Linux, an RDP server is the wrong tool. Our guide to SSH vs. RDP explains when each protocol makes sense, and RDP vs. VNC covers the other graphical option.

What to compare before you rent

Most listings look identical until you read the hardware and the fine print. These are the criteria that change your daily experience.

CPU and single-thread speed

Windows desktop work, trading terminals and many automation tools lean on single-core speed more than on core count. A modern AMD Ryzen processor tends to beat older server-class chips here, which is why many RDP workloads feel snappier on Ryzen-based hosts. Ask for the exact CPU family, not just “vCPUs”.

RAM and storage type

A Windows desktop with a browser, an IDE or a trading platform comfortably uses several gigabytes before your own work starts. DDR5 memory and NVMe storage reduce lag when you open many windows or compile code. Spinning disks or shared SATA SSDs are the usual reason a cheap RDP feels sluggish.

Location and latency

The screen you see is streamed, so distance matters. Pick the region closest to you, or closest to the service your server talks to. For US-based readers, a US location is the obvious choice. For users in Europe, or for workloads that need a European IP, a Netherlands node is the natural fit.

Admin access and OS choice

You want full administrator rights, the ability to reinstall the operating system, and the option of Windows or Linux on the same platform. Some “RDP” sellers hand you a login to a shared machine with restrictions. That is a different product from a KVM VPS you own.

Provisioning, management and support

Instant provisioning means you can order and connect within minutes. A control panel should let you reboot, reinstall, and view resources without opening a ticket. Support that answers at 3 a.m. matters if a trading machine goes offline.

Payment and protection

Check whether the host includes DDoS protection and what payment methods it accepts. Card and crypto options matter to many international users.

Licensing: the part most buyers miss

A single administrator connecting to a Windows Server for management does not need the same licenses as a crowd of users running desktop sessions. As soon as several people use remote sessions on the same server, Microsoft requires Remote Desktop Services client access licenses. Microsoft’s own page on RDS CALs describes per-device and per-user models, tracked by a license server.

The practical rule: for one person’s server, ask your provider what the Windows license includes. For a shared multi-user environment, budget for RDS CALs separately and confirm the details with your provider or a Microsoft licensing reseller before you roll it out to a team. Our comparison of RDP vs TeamViewer looks at hosting remote access without RDS licensing for sysadmins.

How to connect to an RDP server

Once your provider emails the IP address, username and password, the process is the same everywhere.

1. Windows: open Remote Desktop Connection (search “mstsc”), type the server IP, and sign in.
2. macOS: Microsoft is moving remote access to its Windows App, which replaces the older Remote Desktop client on Mac. Open-source users can try MacFreeRDP, which supports NLA, clipboard redirection and RemoteApp.
3. Linux: FreeRDP or Remmina both work.
4. Phone or tablet: use Microsoft’s Windows App on iOS and Android.
5. Change the password immediately and create a separate admin account if the provider allows it.

If the connection fails, check the basics first: is the server running, is the IP correct, and does your firewall or your provider’s firewall allow RDP from your address?

Securing an RDP server

This is where most RDP servers fail. Port 3389 is the best-known door on the internet, and automated bots try it constantly. A Fox-IT analysis reports that 42% of ransomware cases in Q2 2021 used RDP compromise as an entry point, and the same exposure problem has not gone away since.

Do not expose 3389 to everyone

Practitioners treat direct internet exposure of RDP as an incident waiting to happen. The recommended pattern is to hide it behind an RD Gateway, a VPN or a bastion host so authentication and logging happen in one place. NIST telework guidance, as reported by FedScoop, also ranks remote desktop access as the least secure remote option, to be used for exceptional cases or behind secondary authentication.

The simplest version for a small user: restrict the firewall so only your own IP address, or your VPN’s IP, can reach the RDP port. We walk through it in RDP over VPN: a 5-step setup and in our piece on never exposing port 3389.

Turn on NLA and MFA

Network Level Authentication forces a user to authenticate before a full session starts, which cuts off a lot of cheap attacks. Combine it with multi-factor authentication. Microsoft’s guidance on planning MFA for Remote Desktop Services also describes using an RD Gateway to carry RDP over HTTPS on port 443, which keeps 3389 off the open internet.

Changing the port is not a defense

Moving RDP to another port is a popular tip. Experts describe it as security through obscurity, because scanners find RDP on any port. It can reduce log noise, and we explain how in changing the default RDP port, but it does not replace a VPN or gateway.

A short hardening checklist

• Use long, unique passwords and disable accounts you don’t need, including the default Administrator name where possible.
• Enable account lockout so brute-force attempts stop.
• Keep Windows updated.
• Enforce strong RDP encryption; see our RDP encryption setup guide.
• Log sign-ins and review them.
• Disconnect idle sessions.
• Take snapshots or backups before major changes.

For a longer list, our 6 steps to harden RDP and the wider security article archive go deeper. If you manage websites or client servers as an agency, practical tasks for preventing website hacking pair well with server-level hardening.

Our perspective

We run Windows RDP and KVM VPS hosting on AMD Ryzen hardware, with DDR5 memory and NVMe storage, and we see the same pattern in most support questions. People buy on price and RAM size, then discover that CPU speed and a clean network path decide how the server feels. A cheaper plan on older hardware often costs more in lost time.

Our view is simple. Pick the smallest plan whose CPU you trust, put it in the region nearest your work, and spend the saved effort on security instead of an oversized plan. A Netherlands or US location, instant provisioning and a management portal that lets you reinstall without waiting on anyone make a bigger difference than a long spec sheet.

We also think providers should be blunt about RDP’s risks. A server with an open 3389 port and a weak password will be attacked, whoever hosts it. Put it behind a VPN, keep MFA on, and treat the hosting provider’s DDoS protection as one layer, not the whole answer.

— AceRDP

Choosing a plan

Plans usually scale with CPU, RAM and storage, so match them to the workload rather than to the cheapest price.

Start small. Scaling up later is easier than paying for capacity you never use.

AceRDP plans

AceRDP offers Windows RDP and KVM VPS servers on AMD Ryzen CPUs with DDR5 RAM and NVMe storage, in the Netherlands and the US, with instant provisioning, DDoS protection, an automated management portal and 24/7 support. You can pay by credit card or crypto. Published monthly prices include Bronze at 15 EUR per month, Silver at 25 EUR per month, Platinum at 50 EUR per month, Legend at 100 EUR per month and Apex at 160 EUR per month. Gold, Diamond and Immortal are also listed with their own pricing. You can compare every tier and order on the AceRDP plans page.

Common mistakes to avoid

• Buying shared logins. If a seller gives you access to an existing machine, you do not control it. Insist on admin rights and a reinstall option.
• Ignoring location. A server on the wrong continent adds noticeable lag to every keystroke.
• Skipping the firewall. The default setup with 3389 open to everyone invites constant login attempts.
• Assuming one license covers a team. Multi-user sessions need proper RDS licensing.
• Running critical work on a free or unverified server. Free Windows images are evaluation copies. Microsoft’s own Q&A notes that installation media is free but activation needs a valid key beyond the evaluation period.

FAQ

Is there a way to get Windows Server for free?

You can download evaluation media from Microsoft, but it is time-limited. Continued legal use requires a valid license and product key, as Microsoft’s support community explains. For a production RDP server, a paid host that includes the license is simpler.

What is RDP vs VPN?

RDP shows you a remote desktop. A VPN creates an encrypted network tunnel to a network. They work together: the safest common setup puts RDP behind a VPN so the RDP port is never public.

How do I connect to an RDP server from a Mac?

Install Microsoft’s Windows App, which replaces the older Remote Desktop client, then add your server’s IP and credentials. Open-source users can use MacFreeRDP instead.

Should I change the RDP port?

It will not stop automated scanners, so treat it as a minor tweak. Restricting access by IP, using a VPN or gateway, and enabling NLA and MFA matter far more.

Sources

• Microsoft Learn: Remote Desktop Services overview
• Microsoft Learn: RDS client access licenses
• Microsoft Learn: Windows App, connect to desktops and apps
• MacFreeRDP client documentation
• Fox-IT: RDP open to the internet
• ITU Online: Best practices for securing RDP access
• FedScoop: NIST telework cybersecurity bulletin
• Microsoft Learn: Plan MFA for Remote Desktop Services
• Microsoft Q&A: Windows product key

Recommended

• Never Expose RDP Port 3389: Secure Setup for IT Admins
• Stop Exposing Port 3389: Remote Work Server Setup for IT Teams
• 6 Steps to Harden RDP for Sysadmins
• How to Change the Default RDP Port for Enhanced Security