Vigia

Microsoft Exchange 4.0 end of life (EOL) date and support status

End of life End of life (the project marks it as finished, no date given)

Upgrade: Microsoft Exchange 4.0 no longer receives fixes. Supported cycles: subscription.

ProductMicrosoft Exchange
Version cycle4.0
StatusEnd of life
Released1996-06-11
Active support until—
End of lifeended
Latest version4.0.996 (1998-05-05)
Last verified2026-10-08

All Microsoft Exchange versions → · Source: endoflife.date

Frequently asked questions

Is Microsoft Exchange 4.0 end of life?

Yes. End of life (the project marks it as finished, no date given). It no longer receives security or bug fixes.

When does Microsoft Exchange 4.0 reach end of life?

Microsoft Exchange 4.0 is marked as end of life, without a specific date.

When was Microsoft Exchange 4.0 released?

Microsoft Exchange 4.0 was first released on 1996-06-11.

What is the latest Microsoft Exchange 4.0 version?

The latest 4.0 release is 4.0.996, published on 1998-05-05.

Give your AI agent these facts

Vigia is a free MCP server: your coding agent checks versions, breaking changes and vulnerabilities before it writes code. No signup, no API key.

claude mcp add --transport http vigia https://vigia.coredls.cloud/mcp

Add to CursorAdd to VS Code★ Star on GitHub

Any other MCP client
{ "mcpServers": { "vigia": { "url": "https://vigia.coredls.cloud/mcp" } } }

Agent skill (SKILL.md): tells the agent when to use Vigia · GitHub Action for pull requests

For agents

GET https://vigia.coredls.cloud/v1/eol/msexchange/4.0