The ramblings of a computer geek
While doing some housekeeping on an Exchange 2010 server, I needed to delete a mailbox database but couldn’t getting the error shown below: PROBLEM: The mailbox database ‘Mailbox Database 2 G-L’ cannot be deleted. Mailbox Database 2 G-L Failed Error:This mailbox database contains one or more mailboxes, mailbox plans, archive mailboxes, or arbitration mailboxes. To … Read more
Problem: When trying to deploy an OVF using the web interface, you getting this error message below. Even when you have installed the client integration plugins it still doesn’t work. “Client Integration Plug-in must be installed to enable OVF functionality” Solution: 1. Uninstall any/all existing Vmware client integration plugins from: Control Panel->Add/Remove Programs 2. Restart … Read more
A colleague had a problem when attempting a restore a mailbox, this error was generated: Error: MapiExceptionInvalidParameter: Unable to modify table. (hr=0x80070057, ec=-2147024809) Diagnostic context: Lid: 55847 EMSMDBPOOL.EcPoolSessionDoRpc called [length=228] Lid: 43559 EMSMDBPOOL.EcPoolSessionDoRpc returned [ec=0x0][length=348][latency=15] Lid: 23226 — ROP Parse Start — Lid: 27962 ROP: ropModifyRules [65] Lid: 17082 ROP Error: 0x80070057 Lid: 27745 Lid: … Read more
Had an issue where a VM would not migrate to another node within the Nutanix cluster, getting this error message after about 21%. To resolve this I used: https://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1031636 even though this is for version 4.x this worked for VMware 5.5. On the host under advanced settings change this setting: Migrate.VMotionResolveswaptype = 1 Change the … Read more
You need to verify that a file cert.pem contains the certificate you expected, to do this you can use this command to view the certificate in plain text with expiry date etc visible.
Sometimes a metric needs to fall between a range to be considered OK, and outside the range (i.e. above and below) for a warning, and outside that range (i.e. above and below) for a critical. So for example monitoring the input voltage into a APC UPS to ensure it is within a certain range. So … Read more
When attempting to add a VMWare vCenter Server Appliance to our Active Directory I encountered this error message: “Error: Invalid Active Directory Domain”. Within the /var/log/vmware/vpx/vpxd_cfg.log log file I was seeing the following: It would seem that the root record for the domain is missing, this should resolve to a domain controller, so it has … Read more
Seems on the face of it to be something that you can find in the GUI, but its not quite that easy! Based on this link: https://psvmware.wordpress.com/2013/07/04/where-are-virtual-machine-templates-located/ You can find it out by running the following, this will provide you with the name of the template, the host it is currently on and where the … Read more
VMWare TPS (Transparent Page Sharing) is a mechanism within the hypervisor to allow the saving of RAM by allowing virtual machines where their memory matches to only store a copy of the memory used once. I.e. If you had 5 Windows 2012 R2 virtual machines running, they are going to be almost completely identical, so … Read more
I had to make some memory changes on a batch of VMs. I didn’t want to have to manually shutdown each VM, alter the memory setting and then restart as this would be very time consuming instead I prepared this script. You first need to create a CSV file, e.g. vmalterlist.csv and place it somewhere on … Read more