If you are an OCS administrator you probably already know there are a lot of server roles. Depending on your company you will implement some or all the server roles. To find out which roles can and can’t be combined, I’ve posted a simple overview table. This speed up your search in the various OCS 2007 R2 whitepapers.
| This server role/configuration | Can collocate with this server role/component | Cannot collocate with this server role/component |
| Standard Edition configuration |
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| Enterprise Edition consolidated configuration | None | Never collocated |
| Back-End Database server |
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| Enterprise Edition expanded configuration, Front End Server | None | Never collocated |
| Enterprise Edition expanded configuration, Web Conferencing Server | None | Never collocated |
| Enterprise Edition expanded configuration, Application Sharing Server | None | Never collocated |
| Enterprise Edition expanded configuration, A/V Conferencing Server | None | Never collocated |
| Web components |
|
|
| Director | None | Never collocated |
| Communicator Web Access | None | Never collocated |
| Edge Server | None | Never collocated |
| Mediation Server | None | Never collocated |
| Archiving Server |
|
|
| Monitoring Server |
|
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| Group Chat Server | None | Never collocated |
| Compliance Server (for Group Chat) | None | Never collocated |
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