M365 Archive

RM560550 - Exchange: Dynamic distribution groups now populate membership faster on creation and modification

Microsoft 365 Roadmap

Summary

We're updating dynamic distribution groups (DDGs) in Exchange Online to make group membership available sooner after creation or a filter change. For DDGs with 5,000 members or fewer, membership is now populated as part of the creation or modification operation — no more waiting up to 2 hours.

Roadmap ID

560550

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Last Updated

Jun 5, 2026

Published Apr 27, 2026

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Status

Launched

Release

General Availability

Platforms

Desktop

Service

Exchange

Tag

Launched
General Availability
Worldwide (Standard Multi-Tenant)

Cloud

Worldwide (Standard Multi-Tenant)

Description

We're updating dynamic distribution groups (DDGs) in Exchange Online to make group membership available sooner after creation or a filter change. For DDGs with 5,000 members or fewer, membership is now populated as part of the creation or modification operation — no more waiting up to 2 hours.

GA date: May CY2026

Version history

3 versions tracked

Updated 2 times since Apr 27, 2026. Microsoft Message Center only ever shows the current version; this archive preserves the history.

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  1. Jun 5, 2026 · 10:00 PMLatest · v3

    Changed: Tags, Status

  2. May 27, 2026 · 11:15 PMv2

    Changed: Tags, Status

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  3. Apr 27, 2026 · 11:15 PMOriginal · v1

    Changed: Initial version

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