Apex error code 499?

Hello and thanks for reaching out, could you please answer the following info:

• Internet speed
• What OS / Build do you run?
• All drivers updated?
• Any 3rd party software running like Anti-virus, discord etc?
• Do you or any other member in the household watch youtube, streams or downloading while playing?
• Have you tried to repair the game or clear game cache, Read this to know how: https://help.ea.com/en-us/help/faq/clear-cache-to-fix-problems-with-your-games/
• Have you tried using a public DNS to see if this resolve the issue?
• Share a UOTrace, Read this to know how: https://help.ea.com/en-gb/help/faq/connection-troubleshooting-basic/

You could try change your DNS and see if this helps.
do the following to see if this works:
Changing to public DNS: 
Change IPv4 DNS

• Open the Control Panel from the Start menu
• Click Network and sharing Center
• Click Change adapter settings
• Right click on your active network adapter & choose properties
• Choose Internet Protocol Version 4 (TCP/IPv4) and click properties
• Enter the new DNS servers into the boxes under “Use one of the following DNS server addresses”

Google:
The Google Public DNS IP addresses (IPv4) are as follows:

• Primary: 8.8.8.8 
• Secondary: 8.8.4.4

Cloudflare:
The Cloudflare Public DNS (IPv4) adresses are as follows:

• Primary: 1.1.1.1
• Secondary: 1.0.0.1

Change IPv6 DNS:

• Open the Control Panel from the Start menu
• Click Network and sharing Center
• Click Change adapter settings
• Right click on your active network adapter & choose properties
• Go now to Internet Protocol Version 6.
• Click Properties
• Click Use The Following DNS Server Addresses.
• Remove any IP addresses that may be already listed and add one of the following

The Google Public DNS (IPv6) addresses are as follows:

• Primary: 2001:4860:4860::8888
• Secondary: 2001:4860:4860::8844

The Cloudflare Public DNS (IPv6) adresses are as follows:

• Primary: 2606:4700:4700::1111
• Secondary: 2606:4700:4700::1001