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...
VMWare: Virtual Machine Disks Consolidation Needed
KB ID 0001430 Problem You may see a ‘warning triangle’ over one of your VM’s, and on its summary page you see the following; Virtual machine disks consolidation is needed. Virtual machine Consolidation Needed status. Solution Basically theres a problem with the machine snapshots, If you right click the VM > Snapshots > Consolidate. Yes – Job done, that was easy. Related Articles, References,...
Cisco ASA: Allow VPN Traffic “Through” A Cisco Firewall
KB ID 0001428 Problem I got asked to put in a VPN for a client, this week, it went from a simple site to site, to a site to site with a Fortigate firewall at one end, to a VPN from and ASA to a Fortigate ‘through’ another ASA. It’s been a few years since I had to tunnel ‘through’ a firewall, and experience tells me, if you don’t have control of BOTH ends of a new VPN tunnel, anything that stops...
Dell iDRAC “The Webpage Cannot Be Found”
KB ID 0001427 Problem I needed to reboot one of my ESX hosts yesterday, so I jumped on the DRAC and got this? An internet search turned up, “The best way to fix this is, firmware update the iDRAC”, which I did. But sadly it didn’t fix the problem. Solution In IE11 they have done a good job of hiding compatibility settings > Options > Compatibility View Settings > Type in the IP/URL > Add > Close >...
Audacity: ‘Click Track’ Missing?
KB ID 0001426 Problem While attempting to generate a ‘Click Track’ in Audacity, I could not find the option? Solution There are a couple of reasons why this can happen, firstly you don’t have the ‘Nyquist’ effect enabled, (Audacity > Preferences> Effects). But that wasn’t the case for me. Open a Terminal window, and execute the following command; sudo xattr -r -d com.apple.quarantine...
Event ID 1006
KB ID 0001425 Problem Seen on an Exchange 2016 Server Log Name: Application Source: MSExchangeDiagnostics Date: XX/XX/XXXX XX:XX:XX Event ID: 1006 Task Category: Triggers Level: Error Keywords: Classic User: N/A Computer: EX2016 Description: The performance counter ‘\\EX2016\MSExchange Assistants – Per Database(msexchangemailboxassistants-2016-mailbox-database)\Event Dispatchers Catching Up’ sustained a value of...