> ## Documentation Index
> Fetch the complete documentation index at: https://docs.rafftechnologies.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Raff Keep features and limits

> What the MetaTrader and ASP.NET stacks of Raff Keep install, the logins and security every server gets, the region and every limit in one place.

<sub>Updated October 15, 2026</sub>

The facts about Raff Keep in one place.

## Every Raff Keep server

| Item | Value |
| - | - |
| Operating system | Windows Server 2025, licence included |
| Region | US East |
| Sizes | 2 vCPU · 4 GB up to 16 vCPU · 32 GB, NVMe storage. See [Pricing](/products/build/raff-keep/details/pricing) |
| Billing | Monthly, yearly or 24 months, paid at checkout. Not available to pay-as-you-go accounts |
| Logins | Your admin login (`admin-` plus 3 characters), shown once. The built-in Administrator signs in only in the VNC console |
| Remote Desktop | Network level authentication; from any address or only the addresses you choose (up to 20 IPv4 addresses or ranges) |
| Account lockout | 10 wrong passwords lock an account for 15 minutes. [Raff Guardian](/products/manage/raff-guardian/index) takes this over while it blocks attackers |
| SSH | Keys only, where SSH runs |
| Windows updates | **Raff manages everything**: installed by Raff Guardian in your maintenance window. **Ask me before changes**: after your OK. **Watch only** and **Install only**: Windows downloads them and waits for you to install them |
| Raff Guardian | Raff manages everything (default), Ask me before changes, Watch only or Install only |
| In Compute | Listed with a **Keep** tag; snapshots, backups, networking, console and graphs work there |
| Reinstall, factory reset | Not available. Delete the server and create it again |

## MetaTrader

| Item | Value | Notes |
| - | - | - |
| Platforms | MetaTrader 5, MetaTrader 4 or both | From MetaQuotes; the installer and every terminal are checked for MetaQuotes' signature |
| Terminals | 1 to 16 | With both platforms, at most 8 of each |
| Terminals per size | 4 from 2 vCPU · 4 GB, 8 from 4 vCPU · 8 GB, 16 from 8 vCPU · 16 GB | Add more later with **Add terminal**, up to the size's limit |
| Folders | `C:\MT5\1`, `C:\MT5\2` and on; `C:\MT4\1` and on | Each terminal runs in portable mode in its own folder |
| Trader login | `trader-` plus 3 characters | The terminals run as this login; only it, SYSTEM and administrators can use their folders |
| Start | When the trader login signs in | A shortcut per terminal on the desktop |
| After a restart | With **Start the terminals after a restart** on: the trader login signs in by itself, every terminal starts and the screen locks | Its password is kept in Windows' protected store |
| Always on | Sleep and screen saver off; Remote Desktop sessions kept when you disconnect | |
| Updates | Each terminal updates itself from MetaQuotes when it starts | |
| Time zone | Your choice on the setup page | |
| Remote Desktop use | For one person who sets up and checks the terminals | A team working in the desktop every day needs Remote Desktop user licences: ask support |

## ASP.NET

| Item | Value | Notes |
| - | - | - |
| Web server | IIS with ASP.NET support and WebSockets | |
| .NET | ASP.NET Core 10 hosting bundle and .NET Framework 4.8.1 | .NET 9 and .NET 8 on request, added by Raff Guardian; Microsoft ends their support on 10 November 2026 |
| Sites | 1 to 20 | Site 1 is **Default Web Site** and also answers on the server's address; the others are `site2` and on, in `C:\inetpub\sites` |
| Application pools | One per site, always running | |
| Domains | One or more per site; a domain belongs to one site | Host binding on port 80 |
| Certificates | Free from Let's Encrypt, requested once the domain points at the server (checked every 15 minutes for 7 days), renewed by themselves | |
| Publishing | Web Deploy on port 8172, from the addresses you list, or from anywhere | With Raff Guardian, each site has its own publishing login (`publish-site1` and on) and a publish profile in the dashboard |
| SQL Server Express | Optional, SQL Server 2025 Express | Windows sign-in only, this server only, 10 GB per database; your admin login is an administrator |
| Firewall | Ports 80 and 443 open | |
| IIS logs | Deleted after 30 days | |

## Limits

| Item | Limit |
| - | - |
| Stacks | MetaTrader 4 and 5, ASP.NET / IIS host |
| Operating system | Windows Server 2025 for today's stacks |
| Region | US East |
| Terminals per server | 16 |
| Sites per server | 20 |
| Allowed addresses at setup | 20 IPv4 addresses or ranges |
| Logins shown | Once, to one person, again for 10 minutes; unopened logins are deleted after 7 days |
| Install held when not finished | After 24 hours |

For more terminals or sites than one server takes, contact Raff and we size it with you.

## See also

<CardGroup cols={2}>
  <Card title="Pricing" icon="circle-dollar" href="/products/build/raff-keep/details/pricing">
    Every size and period.
  </Card>

  <Card title="Kept by Raff" icon="lightbulb" href="/products/build/raff-keep/concepts/raff-guardian-choice">
    What Raff Guardian does on a Keep server.
  </Card>
</CardGroup>


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