PowerShell, Technology

Simplivity Backup Reports with PowerShell

An issue with Flash in the web browser and the version of Simplivity we are running forced my hand to learn to manage the backups using PowerShell. I started managing the backups through the Simplivity CLI but then discovered there was an PowerShell API which made life a lot easier. If you have experience using PowerShell you will find these…

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PowerShell, Technology

Managing DHCP Scopes with PowerShell

Introduction We recently restructured our whole IP addressing schema. This was a mammoth job. The management of DHCP scopes was one part of this. We had to create around 20 new DHCP scopes and create reservations for all the devices that reservations in the old scopes. I thought to myself that this is the perfect time to learn about using…

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Office 365, PowerShell, Technology

Exchange Online Migration error: “Target user already has a primary mailbox”

Issue When migrating mailboxes from Exchange On Premise to Exchange Online, it fails with the following error: Target user ‘Users Name’ already has a primary mailbox. Cause Long before we had ever thought about migrating to Exchange Online we had manually created some students in our Office 365 tenant (not using the Azure AD Connect) to give them access to…

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Comptia Security+, Security, Technology

Comptia Security+ (SY0-501) Study Notes

I am working my way through the online course “Cert Prep: CompTIA Security+” by Michael Chapple. This is available on Lynda and LinkedIn Learning. These are my study notes- Section 1 – Threats, Attacks and Vulnerabilities 1.1 Malware 1.2 Understanding Attackers 1.3 Understanding Attack Types 1.4 Application Attacks 1.5 Vulnerability Scanning and Penetration Testing 1.6 Impact of Vulnerabilities   Section…

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Technology

5.4.14 Hop count exceeded – possible mail loop ATTR34

Issue: We recently configured our Exchange Hybrid setup and were experiencing this error when sending mail from our mailboxes migrated to Exchange Online to the mailboxes still on Premise that had the alias: @ourdomain.mail.onmicrosoft.com (On Premise Mailboxes had this alias setup in preparation for migrating to Exchange Online). Cause: We use Mimecast for our email filtering. The mail loop was…

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PowerShell, Technology

Powershell: Automating Exiting Users

Introduction I have being playing around with Powershell a lot more lately and trying to learn and utilise it as much as possible. One of the repetitive tasks we deal with is when a student exits the school. There are a number of steps in AD that have to be undertaken each time a student leaves. These include: Disable the…

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