Microsoft One Drive: Analysis, Pros &Cons of Using It
May18

Microsoft One Drive: Analysis, Pros &Cons of Using It

KB ID 0001439 There are a lot of cloud storage options available on the market. More and more companies make their own cloud storage service. This is why it can be tricky to pick the right service for you. Also, you need to take into consideration a lot of things before you select a cloud storage service. The level of security, its features, and the price are just some of them. In this article, we are going to talk about Microsoft One...

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PowerShell: Finding Stale User and Computer Accounts
May15

PowerShell: Finding Stale User and Computer Accounts

KB ID 0001438 Problem I do this a lot, (usually prior to big migrations), most organisations have no mechanism for removing old users and computers from Active Directory, some don’t even disable the accounts. Find Users Who Have Never Logged On Use the following PowerShell Command; Get-ADUser -Filter { LastLogonDate -notlike "*" -and Enabled -eq $true } -Properties LastLogonDate | Select-Object @{ Name="Username";...

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Exchange: “BuildToBuildUpgrade” Error
May12

Exchange: “BuildToBuildUpgrade” Error

KB ID 0001436 Problem In the middle of an Exchange upgrade I got a bit stuck with the following error; “Setup previously failed while performing the action “”BuildToBuildUpgrade” You can’t resume setup by performing the action “Install”. There are a couple of variations on this error as well, you can also see either of the following; “Setup previously failed while performing the action “Install” You can’t resume...

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Exchange Update Fails: ‘Cannot find Arbitration Mailbox’
May11

Exchange Update Fails: ‘Cannot find Arbitration Mailbox’

KB ID 0001435 Problem Last night was a late one, Exchange 2016 update (CU9) failed to install and left the server in an unusable state. Relevant Part(s) of the Error -----Output Removed For the Sake of Brevity-----         $name = "SystemMailbox{bb558c35-97f1-4cb9-8ff7-d53741dc928c}"; -----Output Removed For the Sake of Brevity-----         Write-ExchangeSetupLog -Info ("Cannot find arbitration mailbox with name=$name.");           }...

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Exchange: No Arbitration Mailboxes?
May11

Exchange: No Arbitration Mailboxes?

KB ID 0001434 Problem I was doing a ‘mop up’, after an Exchange install problem, (post to follow.) And went to look at the ‘Arbitration‘ mailboxes in the clients Exchange Organisation. And they could not be seen? Get-Mailbox | -Arbitration Get-MailboxDatabase | Get-Mailbox -Arbitration Solution In my case, it was because the Exchange server was in a ‘Child Domain’ and the...

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Windows RDP: ‘An authentication error has occurred’
May10

Windows RDP: ‘An authentication error has occurred’

KB ID 0001433 Problem When attempting to RDP to a remote machine;   An authentication error has occurred. The function requested is not supported Remote computer: {name} This could be due to CredSSP encryption oracle remediation. Or you may just see;   An authentication error has occurred. The function requested is not supported Remote computer: {name} Solution This is happening after you have a applied a windows security update it...

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