MC1188937 – M365 Change Digest

One-line summary

WINS will be removed from Windows Server after 2025; migrate to DNS-based name resolution before Windows Server 2025 support ends in November 2034.

Similar updates

Details

Body (from Message Center)

If you manage Windows Servers, plan for removal of Windows Internet Name Service (WINS). WINS was officially deprecated since Windows Server 2022 and will be removed from all Windows Server releases following Windows Server 2025. Standard support will continue through the lifecycle of Windows Server 2025, until November 2034. We encourage you to migrate to modern Domain Name System (DNS)-based name resolution solutions before then.

When will this happen:

WINS deprecation was announced in Windows Server 2022. Deprecation means the feature remains supported and maintained, but there is no further active development or new functionality planned.
November 2034 is the end of the lifecycle for Windows Server 2025, which also marks the end of support for WINS.

How this will affect your organization:

Once removal takes effect, the following components will no longer be part of Windows Server:

WINS Server role and associated binaries
WINS Microsoft Management Console (MMC) snap-in
WINS automation APIs and related management interfaces

Please prepare, evaluate, and migrate to modern Domain Name System (DNS)-based name resolution solutions.

What you need to do to prepare:

Take proactive steps now to ensure a smooth migration:

Audit dependencies: Inventory applications and services that rely on NetBIOS name resolution to understand impact.
Migrate to DNS: Implement conditional forwarders, split-brain DNS, or search suffix lists to replace WINS functionality with scalable, modern DNS solutions.
Update applications: Modernize or retire legacy applications that depend on WINS to avoid future compatibility issues.
Avoid temporary workarounds: Solutions like static host files do not scale and are not sustainable for long-term environments.

Consult additional resources for compete details and guidance.

Additional information:

Raw JSON (for debugging)

Expand/collapse the full payload below.

Show/hide raw

{
  "snapshot_item": {
    "action_required_by": null,
    "ai_action_required_by": "2034-11-30T00:00:00Z",
    "ai_actions": [
      "Audit NetBIOS dependencies",
      "Migrate to DNS solutions",
      "Update or retire legacy apps using WINS"
    ],
    "ai_master_tags": [
      "Admin",
      "Network"
    ],
    "ai_model": "gpt-4.1",
    "ai_summary": "WINS will be removed from Windows Server after 2025; migrate to DNS-based name resolution before Windows Server 2025 support ends in November 2034.",
    "ai_topics": [
      "Windows",
      "Windows Server"
    ],
    "category": "stayInformed",
    "details_map": {},
    "id": "MC1188937",
    "importance": 0,
    "is_major_change": false,
    "last_modified": "2025-11-21T21:56:32Z",
    "ms_products": [
      "Windows"
    ],
    "platforms": null,
    "roadmap_ids": [],
    "services": [
      "Windows"
    ],
    "severity": "normal",
    "tags": [
      "Admin impact"
    ],
    "title": "WINS removal: Moving forward with modern name resolution"
  }
}