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CE-33986-9 is a general internet connection test error. Start by checking the official PlayStation Network status page, then restart your console, modem, and router before running the connection test again. If the problem remains, reconnect the console, test Ethernet or another network, and only then try DNS or router changes.

Sony currently documents CE-33986-9 under PS4 error codes. If a PS5 displays this code or a similar connection failure, use the PS5 menu equivalents below; Sony’s current documentation does not classify CE-33986-9 as a PS5-specific error.

What CE-33986-9 means

CE-33986-9 means that the console encountered an error while testing its internet connection. It is a broad diagnostic code, not a precise explanation of what failed.

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The cause could be a temporary PlayStation Network outage, router or ISP trouble, unstable Wi-Fi, DNS resolution failure, NAT or firewall restrictions, or a console-specific network configuration problem. The code does not by itself prove that the console is damaged, that your internet is too slow, or that you need to initialize the system.

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Sony’s dedicated CE-33986-9 support page recommends checking PlayStation service availability and then running the built-in internet connection test.

1. Check whether PlayStation Network is down

Open the PlayStation Network Service Status page on a phone or computer. Check every listed category, not only account management or gaming.

  • If Sony reports an outage or maintenance, wait for the service to recover and test the console again.
  • If the status page is unavailable or reports normal service, continue with the local troubleshooting steps below.

A PSN outage cannot be fixed by changing DNS, forwarding ports, or resetting your console.

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2. Restart the entire connection

A complete restart can clear a temporary router state or failed internet session. It will not fix an ongoing ISP or PSN outage, but it is the safest first local remedy.

  1. Turn off the PS4 or PS5 completely. Do not leave it in Rest Mode.
  2. Unplug the modem and router from power.
  3. Wait several minutes.
  4. Reconnect the modem first and wait until it finishes synchronizing with the ISP.
  5. Reconnect the router and wait for Wi-Fi and internet service to return.
  6. Turn on the console and run the connection test.

3. Run the connection test and identify the failed stage

PS4

  1. Open Settings.
  2. Select Network.
  3. Select Test Internet Connection.

PS5

  1. Open Settings.
  2. Select Network.
  3. Open Connection Status.
  4. Select Test Internet Connection.

Labels can vary slightly by region and system-software version. Use the equivalent connection-test option if your console’s wording differs.

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Failed result What to investigate
Obtain IP Address Wi-Fi password, signal strength, router DHCP, Ethernet cable, or the console’s saved network setup.
Internet Connection Modem or ISP service, DNS, router WAN connection, filtering, or an unstable connection.
PlayStation Network Sign-In PSN availability, account authentication, NAT, or traffic blocked by the router or ISP.
NAT Type Router or ISP NAT restrictions. NAT Type 3 can limit online features, but it does not identify the complete cause by itself.
Download or upload speed Congestion, Wi-Fi interference, or ISP performance. A low speed result does not automatically explain CE-33986-9.

If only one game fails while the general connection test succeeds, investigate that game’s servers or account connection rather than assuming the console’s entire internet connection is broken.

4. Re-create the console’s internet connection

PS4

  1. Go to Settings > Network > Set Up Internet Connection.
  2. Choose Use Wi-Fi or Use a LAN Cable.
  3. Select the network and enter the Wi-Fi password if requested.
  4. Choose Easy.
  5. Run Test Internet Connection.

If you need to inspect the settings more closely, choose Custom. Unless your network administrator supplied different values, leave IP address settings on automatic, set DHCP host name to Do Not Specify, leave MTU on Automatic, and set proxy server to Do Not Use.

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PS5

On PS5, open Settings > Network > Settings > Set Up Internet Connection. Select the saved Wi-Fi network or configure the LAN connection again, then run the connection test. The exact wording may change with system software.

5. Test Ethernet instead of Wi-Fi

Connect the console directly to the router with an Ethernet cable and run the test again. Ethernet is useful both as a possible fix and as a diagnostic comparison.

  • Ethernet works but Wi-Fi fails: investigate distance from the router, interference, wireless-band selection, mesh-node placement, or router Wi-Fi settings.
  • Both Ethernet and Wi-Fi fail: the problem is more likely to involve PSN, the router or ISP, account communication, or console software.

Ethernet does not guarantee a fix; its main benefit is showing whether wireless connectivity is the problem.

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6. Test another network

When practical, connect the console temporarily to a phone hotspot or another trusted network. This can separate a home-network problem from a console or PSN problem.

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  • It works on another network: focus on your home router, DNS, ISP, filtering, or NAT.
  • It fails on every network: investigate console software, PSN or account communication, and possible console-specific faults.

A hotspot may consume substantial mobile data, and some mobile providers restrict gaming traffic or use carrier-grade NAT. Treat this as a short diagnostic test rather than a guaranteed permanent solution.

7. Try a different DNS server

DNS is worth testing if the console obtains an IP address but cannot reliably reach the internet or PlayStation services. It is not the first or universal fix for CE-33986-9.

You can test either of these public DNS pairs:

  • Cloudflare: 1.1.1.1 and 1.0.0.1
  • Google: 8.8.8.8 and 8.8.4.4

These services are not being presented as Sony-endorsed solutions, and a DNS change will not repair a PSN outage, weak Wi-Fi, failed modem, or blocked traffic.

PS4 DNS setup

  1. Go to Settings > Network > Set Up Internet Connection.
  2. Choose Wi-Fi or LAN.
  3. Select Custom.
  4. Set IP Address Settings to Automatic.
  5. Set DHCP Host Name to Do Not Specify.
  6. Set DNS Settings to Manual.
  7. Enter the primary and secondary DNS addresses.
  8. Leave MTU Settings on Automatic.
  9. Set Proxy Server to Do Not Use.
  10. Run Test Internet Connection.

Use the equivalent custom connection fields on PS5. If the connection becomes less reliable, return DNS settings to Automatic.

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8. Check router restrictions and NAT

A router can let phones and computers browse normally while blocking or mishandling console traffic. Check these settings if the error affects only the PlayStation or appears during PSN sign-in:

  • Parental controls and access-control lists
  • MAC filtering
  • Guest-network isolation
  • VPN or Smart DNS configuration
  • Aggressive firewall or packet-filtering rules
  • Double NAT caused by two routers
  • ISP-level restrictions

Move the console off a guest network and temporarily disable custom filtering only if you understand the security consequences. Re-enable protections after testing.

Some game-support documentation cites these PlayStation-related TCP ports: 80, 443, 3478, 3479, and 3480. See the relevant PS4 network guidance and PS5 network guidance.

Do not forward ports as a default fix. Port forwarding is network-dependent, can expose devices unnecessarily, and may not solve the underlying issue. Consult your router and ISP documentation before changing firewall rules.

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9. Update the console

Check for a system-software update using the console’s normal update option. An outdated system can interfere with network features or PSN sign-in, although it is not the presumed cause of every CE-33986-9 error.

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If the console cannot update online, try Ethernet or another network first. For an offline update, use Sony’s current official procedure and follow its latest USB format, folder-name, and update-file instructions. Do not rely on an old filename or USB guide.

10. Check account sign-in separately

If the internet test passes but PlayStation Network Sign-In fails:

  • Check the PSN status page again.
  • Confirm that you are using the correct account credentials.
  • Sign out and sign back in if the console allows it.
  • Check whether another account on the console has the same problem.

A working internet connection does not guarantee that PSN authentication will succeed.

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What not to do

  • Do not initialize the PS4 or PS5 as an early response to this network error.
  • Do not delete users or data unless a support specialist specifically directs you to do so.
  • Do not rebuild the database or replace the hard drive merely because the connection test failed.
  • Do not forward ports indiscriminately.
  • Do not assume that a DNS change, Ethernet cable, or router restart is guaranteed to work.

When to contact PlayStation Support

Contact PlayStation Support if:

  • PSN status is normal.
  • You restarted the modem, router, and console.
  • The console fails on both Wi-Fi and Ethernet.
  • The console also fails on another network.
  • Other devices work normally on the same home connection.
  • The error is accompanied by wider system failures.
  • Recreating the connection and installing available updates did not help.

Have the failed test stage, NAT result, connection type, and results from any Ethernet or alternate-network test ready when you contact support. That information is more useful than the error code alone.

Frequently Asked Questions

Is CE-33986-9 a PS4-only error?

Sony currently lists and documents CE-33986-9 under PS4 error codes. If a PS5 shows this code or a similar network failure, use the PS5 connection menus, but do not treat the code as an officially documented PS5-specific error.

Does CE-33986-9 mean PlayStation Network is down?

No. It is a general internet connection test error. Check the official PSN status page before changing console or router settings.

Should I factory-reset my PS4 or PS5?

No. Initialization is not an appropriate early fix for this network error and can remove data. Start with service-status, restart, connection, Ethernet, and alternate-network tests.

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What if the connection test passes but online games still fail?

Check the individual game’s server status, account sign-in, NAT type, and router restrictions. A successful general internet test does not guarantee that every game service is available.

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