Tag Archives: Exchange Online Protection

Powershell winrm client error explained

Intro This particular Powershell error I came across yesterday is not well explained in other forums. I present the error and the explanation though not necessarily the solution. The details I recently received my new PC running Windows 8.1. On … Continue reading

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Exchange Online Protection is currently broken. Resolved.

Intro 6/24th, 3:20 PM A lot of my outbound emails are currently stuck with this status: Deferred: 421 4.3.2 The maximum number of concurrent server connections has exceeded a limit, closing transmission channel For instance, to belcorp.biz. The MX record: … Continue reading

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