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🔗Free/Busy Across Forests: Setting It Up with Federation in Exchange
Need to make calendar sharing work between Exchange forests? Federation Trust is your key. In this post, I walk through configuring Free/Busy lookups using Federation – what you need, where it can break, and how to make sure users see each other’s availability across organizational boundaries. A practical setup guide based on real experience.
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🔐Multi-Factor Authentication in Exchange Server: What’s Really Possible
You know MFA is a must-have for cloud security — but what about Exchange Server on-premises? In this post, I explore how multi-factor authentication can be implemented in Exchange, what Microsoft officially supports.
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🕵️♂️Debugging Exchange with Fiddler: Extended Protection in Action
Extended Protection adds an important layer of security to Exchange – but it can also complicate things. In this post, I demonstrate how to use Fiddler to trace authentication behavior, troubleshoot issues, and better understand how Extended Protection works under the hood. A hands-on look into diagnostics with real examples.
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👀Unexpected Mailbox Access in Exchange: When Users See Too Much
What if your users suddenly start seeing other people’s mailboxes – without being granted access? In this post, I dive into a case of unexpected mailbox access in Exchange Server, explain what might cause it, and share how to trace and prevent such incidents. Spoiler: sometimes it’s not what the permissions say – it’s what…
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📝Access Denied When Getting Exchange Virtual Directories – What’s Behind Error HResult -2147024891?
Can’t view Exchange virtual directories? It might not be Exchange’s fault. A deep dive into how DCOM permissions and missing admin rights can break things silently.
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✍️Why Teams Meetings Fail for Delegates in Exchange Hybrid – A Hidden Message Mystery
Delegates in Exchange Hybrid may seem properly configured – but Teams doesn’t think so. Let’s find out how Outlook and EWS see things differently.
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✍️Reconfiguring Exchange Hybrid with a New Tenant – Real-World Pitfalls
Rebuilding hybrid config with a new tenant? It’s not just rerunning HCW. Here’s what broke in real life – and how I fixed it.
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📌How I Used EWS and PowerShell to Fix Broken Meetings
Learn how to use EWS and PowerShell to explore and adjust calendar items – a practical toolset for Exchange admins facing time zone issues or custom processing needs.
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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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