The ramblings of a computer geek
After an upgrade to ESXi 5.5 from ESXi 5.1, all the networking on the host stopped working, as I had already upgraded other BL490c G7 blades with (seemingly) identical hardware but upon upgrading this one the NICS were detected but there was no connectivity through the chassis, the flex-10 to the host. All checks on … Read more
Had to do a bit of configuration on an HP c7000 blade chassis the other day. There was a need to have two separate uplink pairs going to two different pairs of switches from the single chassis. I needed to provide both uplink paths to each host within the chassis (they were ESXi hosts). Here … Read more
If you like me, don’t want to have an admin prompt each time you want to save a file to a server you can disable UAC, by ensuring that all Administrators of the server don’t require approval to make minor changes. So if you say had a file on the C: drive you were trying … Read more
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