Hi All,

Recently I have got the project to integrate Lync 2010 with Exchange Online UM, I have gone through the TechNet article but it seems very confusing and things are not very clear, can some please please help me out in this that how to setup this, what ports do I need to allow from on premises to Exchange online UM.

There are some other questions as well which is not clear from TechNet.

1. Create SRV record, when I create the SRV record in external dns then in the host providing this service will be access edge fqdn is this correct.

2. Configure Edge Server for federation (do I need to run this on Edge server or on Lync FE Servers,  I believe on FE SErvers is this correct, if yes then do I need to run the setup again on Edge server by exporting Topology or the replication will do the needful)

3. To Create a hosting provider do I need to run this command on Edge or on Lync FE Servers.

4. To create a hosting provider you need to run the command

New-CsHostingProvider -Identity Fabrikam.com -Enabled $True -EnabledSharedAddressSpace $True -HostsOCSUsers $False -ProxyFQDN "proxyserver.fabrikam.com" -IsLocal $False -VerficationLevel UseSourceVerification

now from the above command -Identity what will be the Identity name it can be any thing or it should be some thing related to exchange online um.

for -proxyfqdn what will be the FQDN name here, from where I can get this name

5. Do I need to add or remove any domain names in office 365 if yes then what domain names it will be

6. If my sip address is abc.com then do I have to add this domain name in exchange online or do I need to add another domain name how this setup will be

7. if I will create any new domain in the dns in office 365 then do I need to add this domain name in my external dns if yes then which ip it will be pointed to.

Please guys help me out as I m new to exchange um online and I have never integrated it before.

Appreciate you

1. Yes, create an SRV as per Lync documentation for external access to Edge.

2. Correct, all config is done on Front End and will be replicated to the Edge servers. As long as your Edge servers are replicating successfully theere is no need to do a manual import. 

3. Run this PowerShell on the Front End

4. Identity is a name to identify the hosting provider such as "Exchange Online". See http://technet.microsoft.com/en-us/library/gg398490.aspx

proxyfqdn for Exchange Online is exap.um.outlook.com

5. Your SIP domain will need to be added a a vanity domain in Office 365

6. Same as above, just add as vanity domain

7. Any added domains need to be setup as per Office 365 documentation, nothing special needs to be done for UM integration.

Check this out for more info - http://lyncinsider.com/instant-messaging/how-to-connect-lync-server-to-exchange-online-part-1/