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ntdsutil metadata cleanup

Ntdsutil Metadata Cleanup

This article will show you step-by-step how to clean up Active Directory metadata after killing a domain controller. The steps listed should only be performed in case you have no …

PowerShell Get Disk Free Space

PowerShell: Get Disk Free Space

Knowing the exact size and free space of all system disks is often useful. The information can be used for ongoing monitoring of available resources or as a “one-off” when …

Office 365 NDR

Office 365 NDR Error Codes

At some time all email admins will come across a Non-Delivery-Report aka NDR. The NDR is an more or less informative email that something has blocked the mail server from …

550 5 7 520 access denied

Office 365 External Forwarding

If one of your Office 365 mailboxes has been configured with external forwarding you may encounter this error message when trying to send an email: Remote Server returned ‘550 5.7.520 Access …