Getting server failed error

Where does the bug appear (feature/product)?

Cursor IDE

Describe the Bug

I am getting the following error for last 2 days

The server failed 4 times. Please try again, or contact support if the issue persists. Request ID: 767db92e-218d-49a8-a7f9-4efa4d8cb5f6

Steps to Reproduce

Just on asking to perform any task

Operating System

MacOS

Version Information

Cursor 3.27.6

Does this stop you from using Cursor

Yes - Cursor is unusable

Hey @Abhishal_Saini_39580,

It looks like the agent’s requests from your computer aren’t reaching our servers at all, while the rest of Cursor (sign-in, settings, chat titles) is connecting fine. Your account and team settings look normal, and other people on your team are using the agent on the same version without trouble, so this points to something on the network path between your computer and Cursor, most often a company VPN, proxy or firewall that blocks the streaming connection the agent uses.

The change that most often fixes this:

  1. Open Cursor Settings and go to the Network section.
  2. Click Run Diagnostic and wait for it to finish.
  3. In the same section, set HTTP Compatibility Mode to HTTP/1.1.
  4. Fully quit Cursor and reopen it.
  5. Open a new agent chat and send a short message.

Does the agent reply after step 5? If you’re able to, it’s also worth trying once with your company VPN disconnected or on a different network, which tells us whether the network path is the cause.

If it still fails, please reply here with the Network Diagnostics results from step 2, whether you’re on a company VPN or proxy (and whether a proxy is set in Cursor’s settings or your system), and the full error text shown under the “server failed” message.