vSphere – Virtual Machine Will Not ‘Power Off’ (Hangs at 95%)
KB ID 0000911 Problem I had a virtual machine crash on me, while I was doing some work on it As I was unable to shut it down gracefully, I attempted to ‘Power Off’. It progressed to 95% and stopped there. Expecting it to ‘time out’, I carried on with some other work and kept an eye on it. 30 minutes later there was still no progress. Solution 1. Enable SSH access on the ESX host that is hosting the problem VM....
Server 2008 R2 – Hangs “Preparing to configure Windows. Do not turn off your computer”
KB ID 0000657 Problem Saw this today on a Windows 2008 R2 Server, post reboot it just hung like this. Solution 1. At first I thought this was the problem, but a CTRL+AL+DELETE didn’t work. 2. A Google search prompted me to connect to the ‘services’ from another server to see if the Windows Modules Installer Service was stuck stopping or starting, but that was OK as well. 3. It was the client’s Virtual...
Mail Routing Issue ‘451 5.7.3 Cannot achieve Exchange Server authentication’
KB ID 0000791 Problem While putting in a New Exchange 2010 server today, I test moved a mailbox to this new site, and could not get mail to flow to the Exchange 2010 server at the clients main site. 451 4.4.0 Primary target IP address responded with: “451 5.7.3 Cannot achieve Exchange Server authentication.” Attempted failover to alternate host , but that did not succeed. Either there are no alternative hosts, or delivery...
HP MSM Controller – Access Points Stuck ‘Waiting Acceptance’
KB ID 0000868 Problem When viewing the Controller > Controlled APs, You may see some of them stuck with a ‘Waiting Acceptance’ status. Solution This happens because the Access Point can contact the controller, (otherwise you wouldn’t even see it). But the controller cant get traffic back to the access point, to update its firmware, or to synchronize it. The root cause of this is usually because this access point is on...
Mailbox Move ‘Stuck’ Queued
KB ID 0001094 Problem When doing a migration I usually create a test account and move that to the new server. Then I can mail flow both from old to new server and to/from external addresses from both old and new servers. So when the mailbox just sat ‘Queued’ for a while I was starting to get concerned. Even applying the Exchange ‘cup of coffee’ rule didn’t make a difference. Solution Nice simple one to...