HPe Synergy 12000 MPIO QSFP to 10GB SFP Setup
KB ID 0001495 Problem I was recently involved in deploying an HPe Synergy 12000 Frame. And the network connections from it were ‘a little unusual’ so I thought I’d document that here, to save anyone else the problems I had. I was connecting to an HP/Aruba 5412 switch so my cables were all HP/Aruba (to be on the safe side). What you can see (above) is the MPIO Cable (K2Q46A P/N 800867-001) fixed onto the left (and...
Exchange – OWA and ECP Blank Page After Logon
ECP Blank Page KB ID 0001185 Problem Note: This article is for Exchange 2013,2016 and 2019, if you are running Exchange 2010 or 2007 see the following article; Exchange 2010 – Blank OWA Page? Sometimes this happens after applying updates to Exchange! Firstly make sure all your services a running! From an administrative Powershell window run the following command; Get-Service *Exchange* | Start-Service After making some certificate...
Domain Controller Wont Boot: Stop Code ‘0x00002e2’
KB ID 0001494 Problem I had this problem after a VMware host upgrade last night, this domain controller would not boot, I tried ‘Last Known Good Configuration’, I tried ‘Safe Mode’ it would not boot. More out of desperation than procedure, I tried to boot to ‘Directory Services Restore Mode’ and it booted up (hooray!) I tried all the client’s usual passwords, and could not log in, I messaged...
Getting a Servers Serial Number (Remotely)
KB ID 0001493 Problem If you have an iLO/iDRAC/EMM, then logging into these will give you the servers serial number, but what if they are not setup/connected, or you don’t know username or password? Then you can use WMI to discover the serial number. Solution From PowerShell; Get-Ciminstance -classname win32_bios -computername {Server-Name} | format-list serialnumber Or if you have RDP/Console access , then from an...
Upgrading vSphere ESXi Hosts (Including HP and Dell)
KB ID 0001343 Problem Before you think about upgrading your hosts, you should upgrade your vCenter, Upgrade vSphere vCenter Appliance Assuming that’s all done, your task now is to upgrade your hosts, if you have a vanilla VMware ESXi version installed. You COULD simply SSH into the host, and execute the following commands; esxcli network firewall ruleset set -e true -r httpClient esxcli software profile install -p...
Stacking (VSF) Aruba Switches
KB ID 0001492 I noticed some shiny Aruba switches on the bench today, they were for a job my colleague is working on. (Note: Each switch in a stack should be the same model, so these will need two stacks!) I work on the occasional HP/Aruba core switch, but it’s been a while since I did any work on distribution switches like these. The first thing I learned, was there’s no dedicated stacking cable for them. They simply use...
Factory Reset a Cisco Firewall
KB ID 0000007 Problem You want to wipe the firewall’s config and revert to the factory settings (passwords blank – management or inside set to 192.168.1.1 and DHCP enabled, with all other settings wiped). Solution 1. Connect to the ASA via the console Cable. CLICK HERE 2. log in and go to configure terminal mode. 3. Execute the following command “config factory-default” 4. Press the space bar a few times to execute the...
VMware View Connection Server – Stop Session timeouts
KB ID 0000605 Problem For security reasons, the VMware View Administrator will timeout after a short period of inactivity, and you will see the following. Server Error Your session has timed out. Please log in again. Click OK to be redirected to the login screen. However if you work in the console a lot, this can get quite annoying. Solution From within the View Administrator console > View Configuration > Global settings >...
Windows Update Fails
KB ID 0000359 Problem There are a LOT of different reasons for Windows Updates to fail, I can’t cover every eventuality, but there a a few common steps to try. Solution 1. As soon as the updates fail you should get an Error Message, that should point you in the right direction. Update Error Code 80200011 2. If you error code matches one of these… Code Error Description 0x80070002 ERROR_FILE_NOT_FOUND The system cannot find...
Exchange – Failed to mount database(hr=0x80040115, ec=-2147221227)
KB ID 0000664 Problem The Exchange server on my test network stopped working, the mailbox database was not mounted. When I attempted to mount it: ——————————————————– Microsoft Exchange Error...