I've done it during the day at a customer, but without much experience I would strongly recommend doing it after hours! There are always minor things which might happen, and without experience you don't know how to respond to them right away, so give yourself the rest and peace of after hours.
Ulf |-----Original Message----- |From: [EMAIL PROTECTED] |[mailto:[EMAIL PROTECTED] On Behalf Of Stevo |Sent: Monday, October 24, 2005 11:26 PM |To: ActiveDir@mail.activedir.org |Subject: Re: [ActiveDir] Windows 2000 / Exchange 2000 Upgrade to 2003 | |Wise words Al! Thanks for the input. | |So if I was to upgrade the DC's first, then would I be able to |do this online during the day - or would this be an after |hours (domain will be down for a bit) type job? | |And would I have to upgrade all 3 DCs at the same time, or can |I do them one at a time? | |Thanks again. | |Steveo | | |Al Mulnick wrote: |> My $0.04 (usd) |> |> 1) Either can be done, but my preference is to upgrade DC's first. |> Why? Just easier to troubleshoot later IMHO. |> 2) & 3) Upgrade to new hardware is preferrable in all cases. Why? |> Because you don't bring over any legacy settings, changes, hacks, |> tweaks, etc that may not be viable or a good idea for the |new version. |> Saves troubleshooting time later. |> 4) Gotchas? There is a gotcha related to SP1 firewall for Windows |> 2003 server and DC's, there's a also a gotcha for the |Exchange schema |> mangling. You'll see more about it in the KB's related to attribute |> mangled http://support.microsoft.com/default.aspx?kbid=314649 |> |> Otherwise, it can be very simple to upgrade. Like I said, I |prefer to |> upgrade the foundation (DC's) first, let it settle, and then upgrade |> the service (exchange). That allows me to see if any issues in my |> environment occur, exactly where they occured and what the |action was |> that caused it much more quickly. If it was Exchange, I might end up |> seeing a problem later and thinking it was Exchange when it was |> Windows or thinking it was Windows when it was an Exchange issue. |> |> Al |> |List info : http://www.activedir.org/List.aspx |List FAQ : http://www.activedir.org/ListFAQ.aspx |List archive: |http://www.mail-archive.com/activedir%40mail.activedir.org/ | List info : http://www.activedir.org/List.aspx List FAQ : http://www.activedir.org/ListFAQ.aspx List archive: http://www.mail-archive.com/activedir%40mail.activedir.org/
