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UCA Server - Naming Convention

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bribob

Technical User
Jun 1, 2007
170
CA
I'm looking for clarification on how to properly name a MAS server hosting UCA and the DNS entries required to access UCA both internally and externally.

MAS 5.0.116.0
FQDN MAS-INTERNAL-SERVER-NAME.COMPANY.int, IP 10.0.0.55​
MBG 8.0.17.0
FQDN MBG-INTERNAL-SERVER-NAME.COMPANY.int, IP 10.0.0.88​
FQDN UC.COMPANYNAME.com, IP 123.123.123.123​

DNS is split, internally UC.COMPANYNAME.com resolves to 10.0.0.55

When UCA client (Win7/Server2k8) is configured with MAS-INTERNAL-SERVER-NAME.COMPANY.int, the client is happy and connects without issue to the UCA server. All features work. If I change the UCA server FQDN configured within the client to UC.COMPANYNAME.com, this error shows up in the uca log:

Mitel.Communicator.Views.ViewModels.LoginViewModel - Error occurred testing credentials for USERNAME. Mitel.Communicator.WebServices.WebServiceException: Timeout while waiting for response from the web server. The server could be down or in the process of starting up.The request channel timed out while waiting for a reply after 00:00:14.9869987. Increase the timeout value passed to the call to Request or increase the SendTimeout value on the Binding. The time allotted to this operation may have been a portion of a longer timeout. ---> System.TimeoutException: The request channel timed out while waiting for a reply after 00:00:14.9869987. Increase the timeout value passed to the call to Request or increase the SendTimeout value on the Binding. The time allotted to this operation may have been a portion of a longer timeout. ---> System.TimeoutException: The HTTP request to ' has exceeded the allotted timeout of 00:00:15. The time allotted to this operation may have been a portion of a longer timeout. ---> System.Net.WebException: The operation has timed out

The interesting twist to this issue is that my boss has a Windows 8 tablet and his client is configured with UC.COMPANYNAME.com, everything works 100% for his client.

Is there anything on the server (MSL or UCA) that I should verify? UC Server Enterprise Domain??
 
Does anyone have any comments on UCA and DNS? Is there a trick with CNAME entries in DNS that I can look into?
 
My understanding is that both the External and Internal DNS entries need to be identical but routing differently of course.

My working scenario had the following:

External DNS: uca.domain.ca: 123.231.132.213

123.231.132.213: External address of MBG in Server and Gateway Mode
192.168.1.3 = Internal Address of MBG in Server and gateway

192.168.1.4 = Internal address of MAS with UCA and Peered MBG

Internal DNS:uca.domain.ca: 192.168.1.4


**********************************************
What's most important is that you realise ... There is no spoon.
 
we always name the server as conference

Its public name is conference.company.com

Internally conference.company.com resolves to the LAN IP adddress
Internally webclient.company.com resolves to the LAN IP address

Externally conference.company.com resolves to the first Public address
Externally webclient.company.com resolves to the second IP address


Both Addresses are natted to the lan IP address
first is 443 to 443
Second is 443 to 4443



If I never did anything I'd never done before , I'd never do anything.....
 
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