Unsupported — date not published
Microsoft Server Exchange Server · 4.0 SP5
The vendor declares support ended without publishing a date.
Scope: software releaseAs of 2026-08-01
Lifecycle timeline
- 1996-06-11 — Release date · General availability
- No date published — No longer maintained · End of standard support
Why this status?
“No longer maintained” (end-of-standard-support, no date, confirmed): the vendor declares support ended/changed without publishing a date.
Evidence
- Microsoft Exchange Server lifecycle Official · checked 2026-08-01
- endoflife.date product data independent-open · checked 2026-08-01
Keep going
- All MS Server Exchange Server lifecycle dates· 11 tracked releases
- MS Server Exchange Server security advisories· 10 tracked
- Free CVE email alerts for MS Server
Status derived deterministically from the published milestones. When a vendor does not publish a date, this page says so — it never guesses.