Exchange 2010 problem with MB role

Introduced exch10 into exch03 environment (went smoothly). initial exch10 box installed with H & M roles (CAS was to go on another box). Installation finished with no errors. server is happy, clean logs, etc. Ended up needing to install CAS on Exch10. when I try to install CAS role it trys to install the MB role as well, even though it is installed and running fine. in setup, installed roles are normally "greyed out" but the MB Role has a functional check box.
SNCSDAsked:
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SNCSDAuthor Commented:
I ended up having to spin up a temporary Exchange 2010 server in VM with all roles installed. I then went to the Exchange 10 server with issues and completely uninstalled MB role then I was able to reinstall MB & CAS together and all went well. Thanks.
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vmdudeCommented:
The CAS role should have been the first role installed into existing environment - don't try to move any mailboxes over to 2010 until you have the CAS role installed.
Personally I usually combine the CAS/HT roles on the same server and keep the MB role on its own server if possible. If not then a typical install would include all three roles on the same server.

Are you sure you are not able to install the CAS role on it's own server? this would be ideal if possible. If not then can you provide the screen shot of the setup screen?
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AkhaterCommented:
the order in which it was installed has nothing to do. you are perfectly right the mailbox role should be greyed out.

are you sure you are logged on with the correct user (domain and not local for example?)
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SNCSDAuthor Commented:
Vmdude - we are looking at resources to install the CAS on a separate box. Will get a screen shot op as soon as possible

akhater - I was logged in with full rights. same one I did initial install with.

I just don't understand why after "successfully" installing the MB role (& Hub), when I ran the setup install role -C in the pwrshell (I know not exact comm), i got the message that "It could not install the MB role" It seems for some reason that is thinks that the MB role was not installed completely (some flag somewhere didn't get set properly) even though it said initially that is was installed completely with no warnings/errors, etc.
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SNCSDAuthor Commented:
...side note: I tried both methods of installing CAS. Install wizard and pwrshell. Does CAS need to install some parts of MB role to function that is not normally installed with just the MB role?

also, I have had this same exact install scenario with an identical (very close, anyway) environment and went without a hitch. ???
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AkhaterCommented:
the role MB is enabled ok but is it checked by default or unchecked?
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SNCSDAuthor Commented:
Akhater - Mailbox is checked but active where Hub & Tools are checked and greyed out (and obviously CAS is unchecked as it wasn't installed)
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AkhaterCommented:
so basically it knows that it is installed and it is only giving you the option to uninstall it

are you running the setup.exe or accessing it from add/remove programs?
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SNCSDAuthor Commented:
I have tried both - add/remove & setup.exe via gui and pwrshell.
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AkhaterCommented:
in add/remove programs this is what should happen

as far as i remember using setup.exe would not allow to change the current installation so it would be greyed out unless something changed in the latest setup versions

anyway i wouldn't worry about it too much, since the checkbox is selected then it knows you have the MB role installed
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SNCSDAuthor Commented:
What do you think it is doing? I left the box checked next to MB role and checked box next to CAS role to install it. during setup process, it fails and says MB role cannot be installed even though I am only adding the CAS.

hmmmm.
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AkhaterCommented:
That is weird maybe some component of the mailbox roles are not installed?

What is the error message
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SNCSDAuthor Commented:
Not pretty but did the trick.
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