Fix AnyDesk Not Connecting: Troubleshooting Flow and When to Migrate

If your AnyDesk sessions drop, IDs won't resolve, or the app just sits on "Waiting for response," you know the pain: interrupted remote work, angry users on the other end, and wasted time chasing sporadic fixes. This guide gives a clear troubleshooting flow for "anydesk not connecting" — fast checks you can run in minutes, deeper network and configuration diagnostics, platform-specific fixes, and a pragmatic checklist for when it's time to stop troubleshooting and migrate to another solution.

Quick triage: things to try in the first 5–10 minutes

Start broad and prove whether the problem is local, remote, or on AnyDesk's side. These checks rule out the common and obvious causes so you don’t waste time on advanced diagnostics.

Check AnyDesk status: visit status.anydesk.com or try a simple web search for current outages. If AnyDesk's relay infrastructure is down, nothing you do locally will restore connectivity.

Confirm the app version: open AnyDesk and note the version (most people run AnyDesk 7.x in recent years). If you’re several versions out of date, update — new releases fix connectivity and TLS issues.

Restart the basics: quit AnyDesk on both ends and restart the machines, or at least restart the AnyDesk service. On Windows, use Task Manager → Services or restart the host; on macOS, quit and relaunch the app.

Test general network reachability: on both sides run quick commands to confirm basic Internet access.

ping 8.8.8.8
ping google.com
curl -I https://anydesk.com

If ping to 8.8.8.8 works but DNS lookups fail, you have a DNS issue. If curl to anydesk.com fails while general web browsing works, look for a local proxy or firewall blocking TLS.

Try a different network (hotspot): ask the remote user to connect their laptop to a phone hotspot. If AnyDesk works on the hotspot, the problem is the remote network (NAT, firewall, or ISP).

Test alternative remote tools: as a sanity check, try a different app such as RDP (Windows), Chrome Remote Desktop, or TeamViewer. If these also fail, the issue is almost certainly network-level.

Deep troubleshooting: network, firewall and NAT causes

When quick checks don't find the culprit, move to a structured network investigation: outbound connectivity, NAT traversal, and middleboxes (proxies, IDS, corporate gateways).

1) Outbound ports and TLS

AnyDesk primarily relies on standard HTTPS (TCP 443) for session setup and on additional transport protocols for the session. Ensure outbound TCP/UDP on port 443 and 80 is allowed — many enterprise firewalls still block non-HTTP(S) tunnels. You can test outbound TCP connectivity with:

telnet anydesk.com 443
curl -v https://anydesk.com/

If those commands hang or fail, check your gateway/firewall, proxy settings, or a network-level TLS inspection appliance that may be injecting certificates and breaking the AnyDesk TLS handshake.

2) NAT traversal and symmetric NAT

Remote-control apps use a mix of direct peer-to-peer connections and relayed connections through AnyDesk servers. Symmetric NATs or strict carrier-grade NAT can break peer-to-peer and sometimes force relaying — which can saturate or fail if the relay is unreachable. Troubleshoot by:

Running a traceroute (tracert on Windows, traceroute on macOS/Linux) from both sides to the other’s public IP to see where packets are dropped.

Confirming UPnP or NAT-PMP settings on the user's router (if under your control). Many consumer routers can be toggled to relax NAT behavior temporarily for testing.

Testing a different ISP or mobile hotspot — if a hotspot works, NAT/ISP setup is likely the cause.

3) Corporate network appliances and proxies

Corporate firewalls, web proxies, and SSL inspection devices are frequent causes of unpredictable AnyDesk behavior. Look for these signals:

Network requires an explicit web proxy (check Internet Options or environment variables like HTTP_PROXY).

TLS inspection appliances replace certificates — AnyDesk may reject those without proper CA trust configured.

Intrusion prevention systems marking long-lived encrypted streams as suspicious and tearing them down.

For corporate environments, work with the network/security team to allowlist AnyDesk domains and IP ranges (ask AnyDesk support or consult their documentation) and to permit TLS passthrough for remote-control sessions.

4) Firewall and endpoint security

Local firewalls or AV suites may block AnyDesk's executable or service. On Windows:

Open Windows Defender Firewall → Allow an app through firewall → ensure AnyDesk is allowed on Private and Public profiles.

Temporarily disable third-party antivirus to see if connectivity returns; if it does, create an exception for the AnyDesk process.

Check outbound rules that might block unknown executables or unusual port ranges — some shops block by executable hash.

Platform-specific troubleshooting

Different OSes add their own quirks. These are the fixes I see most often:

Windows

Run AnyDesk as Administrator once after install to ensure service components register correctly.

Restart the AnyDesk service (Services.msc → AnyDesk). If the service won't start, reinstall AnyDesk and choose the option to install as a service.

Check Group Policy in enterprise environments — an aggressive AppLocker or WDAC policy can block AnyDesk executables even when installed.

macOS

macOS requires explicit permissions for Screen Recording and Accessibility. If the remote can connect but the host screen is black, open System Settings → Privacy & Security → Screen Recording and Accessibility, and enable AnyDesk. Then quit and relaunch AnyDesk.

Big Sur / Ventura users sometimes need to re-grant permissions after major OS updates.

Linux

On distributions with stricter SELinux/AppArmor policies, ensure AnyDesk's binaries are allowed to start and access the display server. Check /var/log/syslog or journalctl for denials.

Headless servers: confirm Xvfb or the display server is configured for remote control, or use an OS-native remote session method instead.

Android / iOS

Mobile apps depend on mobile carrier NAT. If sessions to a mobile device fail, toggle mobile data off/on or use Wi‑Fi to test.

iOS limits remote control—most solutions rely on screen sharing via iOS's screen recording API rather than full input control; verify what the app supports on that platform.

When AnyDesk or the account is at fault

Not all "anydesk not connecting" problems are network- or client-side. Consider these possibilities:

Account or license limits: commercial AnyDesk plans have concurrent-session limits; if a license has been exceeded the platform may reject new connections. If you manage many seats, check your license's concurrent session cap and session logs. See anydesk-pricing-explained for plan differences.

Blocked or blacklisted IDs: if a specific AnyDesk ID is blocked due to abuse reports, you'll need to contact AnyDesk support to resolve it.

Relays and load: if direct connections fail, AnyDesk falls back to relays. If relay pools are saturated in your region during peak times, connection attempts may time out — check status.anydesk.com and consider contacting support with timestamps and log bundles.

Gather useful diagnostics before engaging support: timestamps (UTC), screenshots of error messages, AnyDesk version strings, exact IDs, and network tests (ping/traceroute/curl) from both sides. Support requests without this data take longer to resolve.

Decision point: when to keep troubleshooting and when to migrate

If you regularly hit outages, licensing pain, or cannot meet security/compliance needs with AnyDesk, it’s time to evaluate alternatives. Use this short decision checklist to decide whether to keep troubleshooting or plan a migration.

Is the problem persistent and reproducible across networks? If yes, and in-house fixes (network, firewall rules, proxies) haven't worked after 48–72 hours, consider switching.

Do you require self-hosting or on-prem relay servers for compliance? AnyDesk offers enterprise features, but if you need full self-hosting, look at open-source options; see our comparison rustdesk-vs-anydesk and our self-hosted-remote-desktop-guide for practical details.

Are license costs rising with headcount and concurrent sessions? If TCO (support, licenses, hardware) is out of control, a migration evaluation is valid — budget sensitivity typically becomes decisive at 50+ seats.

Does your security team demand end-to-end control of logs, SSO integrations, or specific audit trails that AnyDesk can't provide in your environment? Those are migration triggers too.

Migration plan (practical, low-friction)

If you decide to migrate, follow a staged approach to avoid blind spots:

Pilot: pick 5–10 non-critical users across different networks (home office, corporate LAN, mobile) and run the candidate tool (RustDesk, GoDesk, TeamViewer) in parallel for 2–4 weeks. Measure connection success rate, latency, and feature gaps.

Automation and onboarding: prepare installers/configs with unattended access and documented IAM policies. If you self-host, provision a relay/gateway VM with monitoring and backups.

Data and support: export address books, user lists, and document any scripts you use with the current tool to recreate them in the new platform. Train frontline support staff and create an FAQ for common issues.

Cutover: schedule a phased cutover by department, not by geography; keep the old system available as a fallback for 2–4 weeks.

Alternatives worth testing: RustDesk for an open-source, self-hostable option; TeamViewer for broad NAT traversal and commercial support; and GoDesk if you want a community-friendly, self-hostable remote desktop that emphasizes simple deployment and transparent security. Be honest with stakeholders about tradeoffs: TeamViewer often excels at out-of-the-box NAT traversal in mixed enterprise networks, while self-hosted solutions give you data control and lower recurring costs at the expense of your maintenance workload.

Wrap-up checklist and what to document

Before you declare the issue resolved (or decide to migrate), make sure you’ve documented the following items. These make future incidents faster to diagnose and give you evidence for a migration decision if needed.

Exact AnyDesk version strings (client and service) and build numbers from both ends.

Time-stamped network traces (traceroute/jump) and any AnyDesk log bundles you collected.

Firewall and proxy rules you changed, including rule names and timestamps.

Pilot results if you tested an alternative: success rates, average latency, and any missing features.

Keep this documentation in a central place (ticket system, runbook, or internal wiki) so the next time the alarm rings you can act quickly.

Final notes and further reading

If you’re repeatedly troubleshooting "anydesk not connecting," remember: some problems are solvable with the right firewall and proxy configuration; others are organizational (license, compliance), and still others are architectural (you need a self-hosted relay). If your requirements tilt toward controlling the relay, audit logs, and predictable costs at scale, evaluate self-hosting and open-source options.

For a deeper look at alternatives and hosting models, see our articles on rustdesk-vs-anydesk and self-hosted-remote-desktop-guide. If cost is the driver, compare current licensing carefully — AnyDesk’s commercial plans differ by concurrent sessions and features; you can find pricing breakdowns in anydesk-pricing-explained. Be realistic: switching tools has operational costs, but so does staying with a tool that regularly fails your users.

If you want to try an alternative while keeping control over deployments, give GoDesk a test run — download builds and installers at /download, and check hosting and enterprise options at /pricing. If you need help designing a migration pilot or parsing network logs, save the diagnostics you collected and start a ticket with your chosen vendor or internal network team.

Ready to try a different remote desktop or validate a migration? Download a GoDesk build at /download and run a short pilot alongside your current AnyDesk deployment.