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Category: Exchange 2013

Weak passwords is a common mistake with many email users or even admins that manage domains. I recently had the opportunity to demo the zerologon exploit and how it breaks your domain controllers in your environment. This means that Exchange will be broken as well. I am referring to CVE-2020-1472 and you need to have […]

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In Exchange whether it is Exchange 2010 or 2016 or maybe even 2019, when you setup a Database Availability Group (DAG) requires Failover Cluster Manager to be installed and when the DAG is formed you can see it in Failover Cluster Manager. In normal circumstances your DAG members will come online after a reboot but […]

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If you work or manage clients in organizations that handle sensitive information like banks as an example, they might have a requirement to not allow users to download OWA attachments. You can set this company wide or you can create a new mailbox policy and assign it to certain users. In this example, we are […]

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In Exchange, whether it is Exchange 2013 or higher, you may be presented with Event ID 106 complaining that performance counters are missing or already exists etc. Here is one of many errors below: You can re-create the performance counters and it should clear that constant event from logging, here is the script: add-pssnapin Microsoft.Exchange.Management.PowerShell.SetupĀ  […]

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In Exchange, the above event seems to log from what we have picked up when working in the Exchange Management Shell, however we cannot find what is triggering it or what the fix is. We have not only seen it here but also on Exchange 2013 and 2019. A query was sent to Microsoft a […]

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Microsoft released July windows updates and a customer recently patched there servers, however the affected KB was still in the list. After a successful installation, everything seem to be okay. After the reboot, the Edge and Transport services on the HUB servers did not start automatically. Starting them worked fine but after a short while, […]

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**You can now install .NET 4.7.2 when you upgrade to CU11 for Exchange 2016, it is not a requirement though for installation** Exchange and .NET Framework, this is a common subject that comes up a lot, across many forums. Exchange in general works with “most” versions of .NET Framework, however you get releases like .NET […]

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