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📝Duplicate Emails and Shadow Redundancy in Exchange – A Real-World Case
Exchange Shadow Redundancy isn’t just about reliability -sometimes it misfires. Here’s how duplicate message delivery happened in the real world, and how we diagnosed it.
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📝How to Cancel or Remove an Audit Log Export Request in Exchange Server
Accidentally exported an audit log to the wrong recipient in Exchange? Here’s how to find and clean up the request – even when it’s buried in the system mailbox.
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📝Fixing OWA Login Failures After Mailbox Migration from Exchange Online to On-Prem (SDServerErr;System.ArgumentException)
After migrating a mailbox from Exchange Online back to on-prem, OWA login may fail with SDServerErr and System.ArgumentException. Here’s how to fix it using MFCMAPI – and how to prevent it with PowerShell.
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📝When MonitoringThreshold Doesn’t Mean What You Think – Exchange MA Explained
Setting a MonitoringThreshold value doesn’t always do what you expect. Here’s a look at real examples where Managed Availability customizations don’t work as intended.
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📝Exchange OWA, Outlook, and PowerShell Broken After Reboot – IIS Error 500.19 Explained
After rebooting Exchange servers, OWA, Outlook, and PowerShell stopped working with IIS error 500.19. The root cause? WSUS leftovers. Here’s how we tracked it down and fixed it.
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📝Cloud Archive Not Available in OWA for On-Prem Exchange Users – Federation Trust Required
Can’t open cloud archive in OWA, but it works in Outlook? In hybrid Exchange setups, this may be due to missing Federation Trust. Here’s how to check and fix it.
EWS Free Area 