This can happen if a computer/server is offline for a longer period, or is restored from backup and in the meantime the computerobject password is changed. There is an easy fix for this, on the affected machine, login with the local administrator, start powershell and type; reset-computermachinepassword -Server DomainController -Credential DomainAdmin
Read More »Whenever you are migrating to Exchange Online from an On Premise Exchange server and have users both in Exchange Online and in Exchange Online they want to see eachothers calendars. When trying to open a shared calendar, they will get a logon prompt pop-up, you can enter your credentials but it will not work. To […]
Read More »When deleting an AD object, it will (if the Recycle bin is enabled) be moved to the Active Directory recycle bin. Sometimes you want to permamently remove the object, for example if you want to recreate a pc or server with the same name. To do this, open PowerShell and type in the following commands; […]
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