Posted: Wed Oct 10, 2007 4:12 am Post subject: Change Models ?
V2 Change Mgt states that Change Mgt process can be made more adoptable amongst others by using change models.
However the different books I have read (and read and read) so far remain pretty vague as to what such a model should look like...
I wondered if there was anyone here who
1/ has seen change models use
2/ could give me more information about what it should look like ?
Joined: Mar 10, 2008 Posts: 403 Location: Sunderland
Posted: Mon Jul 06, 2009 9:46 pm Post subject:
Change Models in v2 terms refers to standard repeatable changes that come with some level of pre-approval (we have done it many times before, its tried and tested and so we don't need to impact assess it again). The requester still completes the paperwork (possibly after the change) but they don't need to go through the usual rigours of impact assessment and approval that a normal change would go through.
Joined: Mar 04, 2008 Posts: 1888 Location: Helensburgh
Posted: Wed Jul 08, 2009 12:02 am Post subject:
so its more of an old RFC that is used again for a similar change?
Not really. For it to be repeatable without full CAB process, there need to be defined the criteria and circumstances for allowing it and where the approval/authorization is in each instance. There might be exclusions (e.g. patch installation, but not for firewall servers and not for applications A and B) or additional rules for certain instances.
There also needs to be a stringent review process to ensure the ongoing viability of the arrangement.
Of course you need full CAB approval to set it up. _________________ "Method goes far to prevent trouble in business: for it makes the task easy, hinders confusion, saves abundance of time, and instructs those that have business depending, both what to do and what to hope."
William Penn 1644-1718
1. I have seen change model concept in ARS by Remedy.
A Change Model defines a pre-defined set of steps or processes that will be followed for a particular type of change. The Change Model can also predefine risk, impact, urgency and classifications.
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