Sean Feeney
Architect of the digital age

Unable to write chat.mcp.access because it is configured in system policy.

30 September 2025

If your users are receiving VSCode error message “Unable to write chat.mcp.access because it is configured in system policy.” it may be related to an out-of-date VSCode (see bug report here). If they still receive it after updating, try enabling this setting at the org or enterprise level:

MCP servers in Copilot

If enabled, users can configure Model Context Protocol (MCP) servers (including third-party servers) for Copilot in all Copilot editors and Coding Agent.

Posted in Microsoft, AI

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