So bios upgrades have become safer over the years but still carry an element of risk. You don't mention the brand of computer you will be upgrading. I've run Winflash via LANDesk many times without issues. Some things to consider:
- Make sure you don't run silently as the users may reboot during the upgrade which could be very bad. Show some ui.
- Communicate to the users about the push so they no what to expect and the ramifications if something goes wrong.
- PSP is fine.
- Don't "expect" anything! Test, Test, Test, It will only show the update in the inventory after a hardware scan. This is dependant on how your agent is configured.
- Consider if the machine has a BIOS password. You may not set them but your users may have.
I've upgraded/configured over 10k computer BIOSes via LANDesk. +1 for TEST TEST TEST.
Before you start, write queries that show you all the different variations in BIOS versions for a given model in your environment. Test the upgrade against every BIOS version of every system model you have in the wild, as your package might work fine for BIOS versions X, Y, and Z, but could hose a machine with version W.
As for delivery method, never use Run From Source as a network hiccup could ruin your day.
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To add to this, be very careful with your query. BIOS date etc. are STRINGS not dates so doing a less than/greater than can lead to unexpected results. As long as you are aware of that in your targeting or target specific dates/versions within your queries then you will be a lot safer.
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These are all Dell Optiplex workstations. If you're not familiar with Dell's BIOS update procedure, the software runs in Windows and appears to upload the BIOS to a "safe" area. The update doesn't acctually occur while in the OS. At reboot, you see a different POST message that indicates that the bios is updating and to not reboot or remove power. after a few moments the update completes.
Thanks. I've set up my BIOS updates to target specific strings and not < or > symbols.