Investigate SharePoint phishing activity caused by OAuth token theft from a compromised website — detection steps, token revocation, session invalidation, and hardening measures.
Fix Gmail rejecting your Microsoft 365 emails due to poor domain reputation — SPF, DKIM, and DMARC configuration, blocklist removal requests, and sender reputation recovery steps.
Fix: Gmail Email Rejections Due to Poor Domain Reputation in Microsoft 365 Read More »
Restore data from an archived OneDrive site without enabling Syntex pay-as-you-go billing — complete eDiscovery-based recovery walkthrough using Microsoft Purview at no extra cost.
Unable to Restore Archived OneDrive Site Without Billing – Data Recovered via eDiscovery Read More »
Resolve the Business Central email OAuth error in background workflows (CodeUnit 4507 – TryGetAccessTokenInternal) — app registration permissions and SMTP OAuth configuration fix.
Monitor OneDrive shared folder activity and resolve sync delays in high-collaboration environments — Purview audit log queries, sync diagnostics, and when to migrate to SharePoint.
Control OneDrive ownership and notifications after user deletion in Microsoft 365 — manage orphaned sites, disable automatic manager emails, and transfer ownership via PowerShell.
How to Control OneDrive Ownership & Notifications After User Deletion in Microsoft 365 Read More »
Fix Azure AD Connect Password Hash Sync “Password Validation Failed” errors (Event IDs 611, 612, 6900) — root cause diagnosis and complete PHS repair using PowerShell.
Prevent account compromise in Microsoft 365 with MFA enforcement and auto-forwarding protection — Conditional Access policies, outbound spam controls, and incident response steps.
Fix Intune enrollment failing with domain user accounts but working with local admin — GPO conflict resolution, MDM enrollment scope configuration, and registry-level diagnostics.
Fix application email notifications that stopped working due to SMTP AUTH and MFA conflict — app passwords, OAuth 2.0 modern authentication migration, and HVE alternatives.
Fix: Application Email Notifications Stopped Working (SMTP AUTH & MFA Conflict) Read More »
