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...
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...
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...
EVE-NG (VMware) Connecting to the Internet
KB ID 0001432 Problem I did an article a while back on doing this with UNL, so I thought I’d revisit it today for EVE-NG. I really like EVE-NG, for proof of concept work, testing, and just learning new products I cant think of any product better. But what if you want to connect your labs to the outside world? Solution In all honesty a lot of this article you can skip, I’m just showing you what’s going on down at the...
Safari Keeps Re-opening Compromised/Spammy Web Pages
KB ID 0001431 Problem To be honest it was my own fault, I was trying to get some software and was on a ‘dubious’ file sharing site, when ‘Boom’ loads of popup windows and scripts executing! Normally I’d just’ force quit’ Safari, and open it again then get on with my life, but Safari ‘Helpfully’ remembered which URL I was on, and reopened it as soon as it launched, and the whole...