Enterprise Operating Systems

Troubleshooting and Guides for: Microsoft Server, Linux, and VMware

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Dell Hardware/Software Guides

Dell Servers – PowerEdge, Blades, and Cloud
integrated Dell Remote Access Controller (iDrac)
OpenMange Server Administrator (OMSA)

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Scripting Guides

PowerShell, Bash, JSON, and Python Scripting Guides

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How to Defrag Drives using Powershell in Windows Server 2012

crtechtipsNov 3, 20182 min read

Defrag Drives with Optimize-Volume The new cmdlet we will use is called Optimize-Volume. It is part of the Storage module which utilizes the new CIM infrastructure. You can use this cmdlet to analyze and defrag all types of volumes. We’ll focus…

Understanding In-Place Hold and Litigation Hold in Exchange

crtechtipsNov 3, 20183 min read

Litigation Hold was first introduced in Exchange 2010 and is designed to preserve all items in a mailbox indefinitely for the purposes of e-discovery. Litigation Hold can be applied to mailboxes or distribution groups. When a user’s mailbox is put…

Virtualizing Microsoft Exchange Tips and Tricks

crtechtipsNov 3, 20184 min read

Are you looking at reducing hardware cost and utilizing your virtualization infrastructure to run your Exchange servers? Are you still on edge about virtualizing a mailbox role or unified messaging role? Today I’ll be sharing some tips for virtualizing Microsoft…

How to Understand an Exchange Non Delivery Report (NDR)

crtechtipsNov 3, 20185 min read

What is a Non-Delivery Report (NDR)? If you take a look at the NDR below, you can see a sample nondelivery report.  This nondelivery report contains all of the usual information such as the date and time that the message…

Recovering Deleted Email with New Exchange Online Cmdlets

crtechtipsNov 3, 20187 min read

Exchange Makes It Easy for Users to Fix Deletion Mistakes Exchange has used a two-step item deletion process for nearly 20 years. When someone deletes an item from a mailbox, it moves into the Deleted Items folder. Later, when the…