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❌ Unsupported Exchange Server Recovery Methods
Most Exchange server restore attempts “work” only by luck — but they are never supported. This post explains why snapshot-based, image-based, offline VM, or storage-level restores create state divergence between the recovered server and Active Directory, why this leads to silent corruption (Search, Cluster, IIS, Transport, CUs), and why Setup.exe /RecoverServer is the only supported…
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🔍 When Search Works “But Doesn’t” in Exchange 2016 DAG
Search reported “Healthy,” but wasn’t working on a DAG node restored from a VM-level backup. The server had been recovered using an unsupported method, which left the Ceres Search Engine in an inconsistent state. The post explains how the issue manifested, why the correct recovery approach is Setup /RecoverServer, and how the customer temporarily repaired…
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🧩 Why Some Exchange Cmdlet Output Is Missing Over Remote PowerShell
Remote PowerShell doesn’t always tell the whole story. Here’s why some Exchange cmdlets lose data – and how to get it back with one simple tweak.
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🧩 The Curious Case of a Content Conversion Error in Exchange
A seemingly simple non-delivery report turned into a deep Exchange troubleshooting story – and a surprising lesson in how tiny formatting mistakes can break your mail flow.
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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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📝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.
EWS Free Area 