How to generate a message trace with more than 5000 lines in PowerShell

Applies to: Exchange Online, Exchange Online Protection.   This scenario is addressed to companies that generate high mail flows or use multiple applications to relay emails. Many admins are at some point facing a situation where analyzing a complex transport scenario is needed, this being translated into generating lengthy message traces.   The purpose of…

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How to read an advanced message trace

As you probably know in Exchange Online, you can investigate what happened with a message by running a message trace in the Exchange admin center (EAC). Admin rights are required to perform this action. There are mainly two types of message trace: Basic message trace, where messages displayed are less than 7 days old and…

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