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date: Mon, 28 Apr 2008 13:53:01 -0700,
group: microsoft.public.exchange.design
back
Re: Exchange 2007 CAS design / install
Not sure yet, my PM has the answer to that one and I haven't got there yet.
we are doing our testing from a different address i.e. owa2007.domain.com as
opposed to owa2003.domain.com
The cas does answer for mailboxes that as still in 03 but the user needs to
hit the /exchange folder in IIS not the /owa folder
we will probably simply do a DNS change to make people move, however I am
not 100% if thats what we are going to do.
Robin
"Chris Meehan" wrote in message
news:15877F31-BEA7-4979-A5C5-97CD3B07635F@microsoft.com...
> Robin --
>
> Thanks for the info. How are you planning on "switching" all your users
> from
> OWA in 03 to OWA in 07? Are you testing the the OWA in 07 using a differet
> publicly resolvable name? I understand that the CAS can answer for
> mailboxes
> that reside on a 2003 server but my question is how do you plan on making
> the
> cutover from the 03 front-end to the 07 cas?
>
> Thanks,
>
> Chris
>
> "rferris" wrote:
>
>> I can answer the first question, which in our live environment we have
>> got
>> our CAS servers set up and the old owa 2003 still switched on and users
>> are
>> still going thourgh that at the momemt. They could use the owa 2007 and
>> that
>> would let them in as well but we are not ready for them yet.
>>
>> So the asnwers to your question is yes you can take your time and get it
>> all
>> sorted first.
>>
>> I think for the 2nd question they would only be impacted once you switch
>> off
>> the 2003 owa and redirect to the new 2007 but I could be wrong, dont thin
>> I
>> am though.
>>
>> Hope that helps.
>>
>> Robin
>>
>>
>> "Chris Meehan" wrote in message
>> news:5724F6EC-1479-45F9-91D6-05F7829A10F8@microsoft.com...
>> >I am planning the transition of our current Exchange 2003 FE/BE
>> >organization
>> > to 2007. I know that the first server I need to introduce into the
>> > existing
>> > organization is the 2007 CAS role, which will be a standalone role on
>> > its
>> > own
>> > hardware. However I am a little confused on when I MUST decomission the
>> > 2003
>> > front-end. Currently our FE server sits in the DMZ, however in the new
>> > 2007
>> > design I would like to introduce ISA 2006 to our environment and
>> > publish
>> > all
>> > the CAS services via ISA. So my question(s) are this...
>> >
>> > 1. Once the installation of 2007 CAS role has been completed, can I
>> > take
>> > my
>> > time and test the configuration of ISA handling requests for the CAS
>> > withouth
>> > interupting the usage of OWA on the current FE server?
>> >
>> > 2. At what point will end users be impacted when access OWA if I have
>> > both
>> > the 2003 FE and 2007 CAS existing in the organization?
>> >
>> > Thanks in advance,
>> >
>> > Chris
>>
>>
>>
date: Wed, 30 Apr 2008 11:02:08 +0100
author: rferris
Re: Exchange 2007 CAS design / install
Robin -
I think that I have come up with a pretty good method for cutover, however I
am also introducing ISA into the environment. So for testing I am going to be
hitting the CAS via IS and IP vs. creating a new host record in my external
DNS. Then once testing has been done hitting the CAS with mailboxes on both
03 and 07, i will just flip flop external IP addresses so the my exsiting owa
/ rpc over http url will still work and I don't have to wait for a DNS change
to propogate. Maybe this will assist...
Thanks for the replies !
Chris
"rferris" wrote:
> Not sure yet, my PM has the answer to that one and I haven't got there yet.
>
> we are doing our testing from a different address i.e. owa2007.domain.com as
> opposed to owa2003.domain.com
>
> The cas does answer for mailboxes that as still in 03 but the user needs to
> hit the /exchange folder in IIS not the /owa folder
>
> we will probably simply do a DNS change to make people move, however I am
> not 100% if thats what we are going to do.
>
> Robin
>
> "Chris Meehan" wrote in message
> news:15877F31-BEA7-4979-A5C5-97CD3B07635F@microsoft.com...
> > Robin --
> >
> > Thanks for the info. How are you planning on "switching" all your users
> > from
> > OWA in 03 to OWA in 07? Are you testing the the OWA in 07 using a differet
> > publicly resolvable name? I understand that the CAS can answer for
> > mailboxes
> > that reside on a 2003 server but my question is how do you plan on making
> > the
> > cutover from the 03 front-end to the 07 cas?
> >
> > Thanks,
> >
> > Chris
> >
> > "rferris" wrote:
> >
> >> I can answer the first question, which in our live environment we have
> >> got
> >> our CAS servers set up and the old owa 2003 still switched on and users
> >> are
> >> still going thourgh that at the momemt. They could use the owa 2007 and
> >> that
> >> would let them in as well but we are not ready for them yet.
> >>
> >> So the asnwers to your question is yes you can take your time and get it
> >> all
> >> sorted first.
> >>
> >> I think for the 2nd question they would only be impacted once you switch
> >> off
> >> the 2003 owa and redirect to the new 2007 but I could be wrong, dont thin
> >> I
> >> am though.
> >>
> >> Hope that helps.
> >>
> >> Robin
> >>
> >>
> >> "Chris Meehan" wrote in message
> >> news:5724F6EC-1479-45F9-91D6-05F7829A10F8@microsoft.com...
> >> >I am planning the transition of our current Exchange 2003 FE/BE
> >> >organization
> >> > to 2007. I know that the first server I need to introduce into the
> >> > existing
> >> > organization is the 2007 CAS role, which will be a standalone role on
> >> > its
> >> > own
> >> > hardware. However I am a little confused on when I MUST decomission the
> >> > 2003
> >> > front-end. Currently our FE server sits in the DMZ, however in the new
> >> > 2007
> >> > design I would like to introduce ISA 2006 to our environment and
> >> > publish
> >> > all
> >> > the CAS services via ISA. So my question(s) are this...
> >> >
> >> > 1. Once the installation of 2007 CAS role has been completed, can I
> >> > take
> >> > my
> >> > time and test the configuration of ISA handling requests for the CAS
> >> > withouth
> >> > interupting the usage of OWA on the current FE server?
> >> >
> >> > 2. At what point will end users be impacted when access OWA if I have
> >> > both
> >> > the 2003 FE and 2007 CAS existing in the organization?
> >> >
> >> > Thanks in advance,
> >> >
> >> > Chris
> >>
> >>
> >>
>
>
>
date: Wed, 30 Apr 2008 06:52:02 -0700
author: Chris Meehan
Re: Exchange 2007 CAS design / install
Chris
Thanks for that, I think we will eventually be bringing on an ISA cluster as
well.
Robin
"Chris Meehan" wrote in message
news:AACDE713-A94E-412E-9317-7D37E6D461AB@microsoft.com...
> Robin -
>
> I think that I have come up with a pretty good method for cutover, however
> I
> am also introducing ISA into the environment. So for testing I am going to
> be
> hitting the CAS via IS and IP vs. creating a new host record in my
> external
> DNS. Then once testing has been done hitting the CAS with mailboxes on
> both
> 03 and 07, i will just flip flop external IP addresses so the my exsiting
> owa
> / rpc over http url will still work and I don't have to wait for a DNS
> change
> to propogate. Maybe this will assist...
>
> Thanks for the replies !
>
> Chris
>
> "rferris" wrote:
>
>> Not sure yet, my PM has the answer to that one and I haven't got there
>> yet.
>>
>> we are doing our testing from a different address i.e. owa2007.domain.com
>> as
>> opposed to owa2003.domain.com
>>
>> The cas does answer for mailboxes that as still in 03 but the user needs
>> to
>> hit the /exchange folder in IIS not the /owa folder
>>
>> we will probably simply do a DNS change to make people move, however I am
>> not 100% if thats what we are going to do.
>>
>> Robin
>>
>> "Chris Meehan" wrote in message
>> news:15877F31-BEA7-4979-A5C5-97CD3B07635F@microsoft.com...
>> > Robin --
>> >
>> > Thanks for the info. How are you planning on "switching" all your users
>> > from
>> > OWA in 03 to OWA in 07? Are you testing the the OWA in 07 using a
>> > differet
>> > publicly resolvable name? I understand that the CAS can answer for
>> > mailboxes
>> > that reside on a 2003 server but my question is how do you plan on
>> > making
>> > the
>> > cutover from the 03 front-end to the 07 cas?
>> >
>> > Thanks,
>> >
>> > Chris
>> >
>> > "rferris" wrote:
>> >
>> >> I can answer the first question, which in our live environment we have
>> >> got
>> >> our CAS servers set up and the old owa 2003 still switched on and
>> >> users
>> >> are
>> >> still going thourgh that at the momemt. They could use the owa 2007
>> >> and
>> >> that
>> >> would let them in as well but we are not ready for them yet.
>> >>
>> >> So the asnwers to your question is yes you can take your time and get
>> >> it
>> >> all
>> >> sorted first.
>> >>
>> >> I think for the 2nd question they would only be impacted once you
>> >> switch
>> >> off
>> >> the 2003 owa and redirect to the new 2007 but I could be wrong, dont
>> >> thin
>> >> I
>> >> am though.
>> >>
>> >> Hope that helps.
>> >>
>> >> Robin
>> >>
>> >>
>> >> "Chris Meehan" wrote in
>> >> message
>> >> news:5724F6EC-1479-45F9-91D6-05F7829A10F8@microsoft.com...
>> >> >I am planning the transition of our current Exchange 2003 FE/BE
>> >> >organization
>> >> > to 2007. I know that the first server I need to introduce into the
>> >> > existing
>> >> > organization is the 2007 CAS role, which will be a standalone role
>> >> > on
>> >> > its
>> >> > own
>> >> > hardware. However I am a little confused on when I MUST decomission
>> >> > the
>> >> > 2003
>> >> > front-end. Currently our FE server sits in the DMZ, however in the
>> >> > new
>> >> > 2007
>> >> > design I would like to introduce ISA 2006 to our environment and
>> >> > publish
>> >> > all
>> >> > the CAS services via ISA. So my question(s) are this...
>> >> >
>> >> > 1. Once the installation of 2007 CAS role has been completed, can I
>> >> > take
>> >> > my
>> >> > time and test the configuration of ISA handling requests for the CAS
>> >> > withouth
>> >> > interupting the usage of OWA on the current FE server?
>> >> >
>> >> > 2. At what point will end users be impacted when access OWA if I
>> >> > have
>> >> > both
>> >> > the 2003 FE and 2007 CAS existing in the organization?
>> >> >
>> >> > Thanks in advance,
>> >> >
>> >> > Chris
>> >>
>> >>
>> >>
>>
>>
>>
date: Thu, 1 May 2008 11:22:33 +0100
author: rferris
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