Retirement of Search-MailboxAuditLog and New-MailboxAuditLogSearch Cmdlets by End of 2025
The Search-MailboxAuditLog and New-MailboxAuditLogSearch cmdlets will retire by December 2025. After March 1, 2025, mailbox audit logs become read-only. Organizations must transition to the Search-UnifiedAuditLog cmdlet for audit access, with migration support available from June 2025.


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