Exchange Enviroment

Hello,

I just have experience done the basic task of administration and now I have to analyze an Exchange platform (2010 and 2013 coexisting) configured with High Availability, and propose a better arquitecture, including the dismount of the 2010 servers, so I have many doubts and I hope you can help me.

1) when I enter to the ECP to servers I see 6 servers (5 with mailbox function, 3 with client access function and one with hub transport function) but viewing the services by the shell, I see in the 6 active servers the roles of client access server, mailbox server, hub transport server and UM. My question is, is it okay for all roles to be active on all servers? Should it be consistent with the server's functions?

2) The transport function that I see by ECP is in the 210 server that I want to dismount, what steps should I consider?

3) When I look by shell I see the roles (Client Access, Hub transport, mailbox and UM) active in all servers. It is ok that each mail server or CAS have all roles?

4) In addition, I want to use the Exchange calculator to check the current HW against what should be, in the item "Initial mailbox size" I am placing the sum of the databases installed for each server (Tier1 {36000}, Tier2 {956800}. ..) is this way correct?

5) I can not run the BPM in Exchange 2013 is there any alternative way to do it? I had run it in the 2010 server, the results will be ok?

6) In the servers with Client Access Server role only the 2010 has the Microsoft Exchange POP3 service and the IMAP4 service enabled. Should I enable it on other servers?

7) for the Mailbox Server role, only Microsoft Search is enabled on one server 2010, should it be enabled on the rest?

8) I dont see the monitoring service active, is it recommend to enable it? in all?

9) I dont have a test enviroment, should I have an aditional licence for this? where I can find a guide to implement it?

Thank you very much for your help.

Best Regards,
Patricia RestrepoAsked:
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MaheshArchitectCommented:
you cannot propose Exchange architecture based on whatever questions you asked....

For architecture design you must understand the ways how exchange server gets designed and all protocols and server roles

You need to hire Exchange architect to design architecture
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Patricia RestrepoAuthor Commented:
We  hire an expert last year, but I still see the 2010 server and I have several error messages about the hardware performance, that is the main reason for try to know more. Could you help me answering my questions?

Thanks a lot for your answer and for your recommendation

Best regards
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MaheshArchitectCommented:
OK
If you need to know why exchange 2010 server/s is still there, you need to understand / find out what dependency it is having, probably it might be last server remaining and will get removed very soon, or still they might used for any reason
For me it sounds that you are trying to validate upgrade / deployment, but without knowing exchange architecture, functionality, active directory, different exchange editions and difference between them, knowledge of mail routing and overall messaging platform, you cannot do that
You could find videos / articles on how to setup ex 2010 / 2013 co-existence

Answers are inline to your queries

Q.9 - Use exchange deployment assistant
https://technet.microsoft.com/en-us/office/dn756393.aspx
1st use it to deploy exchange 2010 in lab, then again use it to deploy exchange 2013 in same lab in co-existence, you don’ need license for lab setup, exchange will work for 120 days on trial with full functionality

Q.8 - Monitoring service is used by 3rd party applications if any to call exchange diagnostics cmdlets for troubleshooting, hence it’s not required

Q.7 - By default its enabled on all mailbox servers, you may disable it for performance reason. Disabling Exchange Search impacts the functionality and performance of the full-text searches that are performed by your users using Outlook in online mode or on Windows mobile devices.
https://technet.microsoft.com/en-us/library/aa996416(v=exchg.150).aspx

Q.6 - POP and IMAP are services which gets enabled on CAS server only, if you want your users should be able to connect to POP and IMAP services from other CAS servers (Ex 2010 and 2013), you can enable it

Q.5 - From exchange 2013 ECP, under tools you can find option for BPA "Check your on-premises Exchange Server with the Office 365 Best Practices Analyzer" OR you may try below script for health check
https://practical365.com/exchange-server/powershell-script-exchange-server-health-check-report/

Q.4 - That must be per user mailbox size in MBs / GBs, within Exchange calculator you would get detailed explanation on what input is expected or search YouTube for videos how to use EX calculator

Q.3 – it is the recommendation by Microsoft to install all roles on given server (Multirole server)
Check https://practical365.com/exchange-server/exchange-best-practices-deploying-multi-role-servers/

Q.2 – You need to understand how exchange mail flow works between Exch 2010 and 2013 in co-existence. Check steps you get from exchange deployment assistant to setup mail flow in co-existence mode for ex 2010 and 2013

Q.1 – same as question no.3. it should cover your question

Mahesh.
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Patricia RestrepoAuthor Commented:
Thank you very much for your help mahesh, I really appreciate your recommendations  and I consider it Very helpful.
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MaheshArchitectCommented:
Answer provided appropriate
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