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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Can’t remove additional Exchange mailboxes

crtechtipsMar 31, 20162 min read

I’ve added some additional Exchange mailboxes to my account but now I can’t seem to remove them anymore in Outlook as they don’t show up in my account settings or …

How To Find Nested Active Directory Group Memberships in PowerShell

crtechtipsMar 22, 20164 min read

Find the actual number of users in a group by locating those that may be hard to find in a hidden subgroup. As someone that manages Active Directory users and …

Fix: Recycle Bin is corrupted in Windows 10 / 8 / 7

crtechtipsMar 18, 20162 min read

If your Recycle Bin is corrupted, you can face various problems when using it.  The Recycle Bin may not show the files that you may have been deleted from your File …

Quick Tip: Restarting all Microsoft Exchange services

crtechtipsMar 17, 20162 min read

There are times when you need to restart all Exchange related services so here are 2 small scripts that will help you achieve this without going over each service in …

Migrate new user to O365

crtechtipsMar 17, 20161 min read

Pre-Migration Work Create the AD user account and Exchange on-prem mailbox Confirm UPN suffix of user account matches the email address Go to O365 admin console and add the user license …