check before: 2025-06-06
Product:
Entra, Exchange, Microsoft 365 suite
Platform:
Online, US Instances, World tenant
Status:
Change type:
Feature update, User impact, Admin impact
Links:
Details:
Summary:
Tenant admins can now use the Remove-DkimSigningConfig cmdlet in Exchange Online PowerShell (v3.7) to remove obsolete DKIM configurations without Microsoft support. This feature is available worldwide by June 2025 and requires appropriate roles and module updates for self-managed DKIM cleanup.
Details:
[Introduction]
To improve self-service capabilities and reduce support dependency, Microsoft has made the Remove-DkimSigningConfig cmdlet available to tenant administrators. This cmdlet enables admins to remove obsolete DomainKeys Identified Mail (DKIM) signing configurations directly from Exchange Online PowerShell, helping clean up configurations when domains are removed from a tenant.
[When this will happen]
This feature is already enabled worldwide, including in special clouds. Rollout dates:
Worldwide: June 6-10, 2025
GCCHigh: August 6-12, 2025
Change Category:
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Scope:
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Release Phase:
Created:
2025-10-22
updated:
2025-10-22
Task Type
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Docu to Check
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MS How does it affect me
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MS Preperations
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MS Urgency
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MS workload name
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summary for non-techies**
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Direct effects for Operations**
Obsolete DKIM Configuration Management
Without proper preparation, tenant admins may inadvertently remove necessary DKIM configurations, leading to email delivery issues and increased spam filtering for legitimate emails.
- roles: Tenant Administrator, Security Administrator
- references: https://learn.microsoft.com/powershell/exchange/exchange-online-powershell?view=exchange-ps, https://learn.microsoft.com/powershell/module/exchangepowershell/remove-dkimsigningconfig?view=exchange-ps
User Experience Degradation
If DKIM configurations are removed without proper checks, users may experience disruptions in email communication, resulting in potential loss of important messages and decreased trust in email authenticity.
- roles: End Users, IT Support Staff
- references: https://learn.microsoft.com/powershell/exchange/exchange-online-powershell?view=exchange-ps, https://learn.microsoft.com/powershell/module/exchangepowershell/remove-dkimsigningconfig?view=exchange-ps
Configutation Options**
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IT Security**
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explanation for non-techies**
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** AI generated content. This information must be reviewed before use.
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Last updated 2 weeks ago ago
