Topic Last Modified: 2011-05-11
To successfully complete this procedure, you should be logged on to the server or domain minimally as a member of the Domain Admins group or a member of the DnsAdmins group.
You need to configure the required Domain Name System (DNS) records prior to publishing your topology in Topology Builder. Additionally, some of the fully qualified domain names (FQDNs) used in the configuration of a Microsoft Lync Server 2010 deployment are logical and not physical server FQDNs, so additional DNS configuration is required prior to publishing.
 Warning: |
|---|
| Lync Server 2010 does not support single-labeled domains. For example, a forest with a root domain named contoso.local is supported, but a root domain named local is not supported. For details, see Microsoft Knowledge Base article 300684, “Information about configuring Windows for domains with single-label DNS names,” at http://go.microsoft.com/fwlink/?LinkId=143752. |
Prior to operating the topology after it has been deployed, you should ensure that the following Active Directory and DNS records are created (as your needs for specific features dictate):
- Each server role that will exist in the topology is published
as an Active Directory object (Joining the computer to the domain
will accomplish this).
- A DNS A Record exists for each server.
- A DNS SRV Record exists for each SIP domain if you plan to use
automatic logon for clients in the form of _sipinternal_tls.<SIP
domain>. If you will use manual configuration for clients, this
record is not necessary.
- A DNS A Record for each configured simple URL, of which there
are typically two: meet and dialin. Additionally, there is the
admin simple URL which is a special URL for access to the Microsoft
Lync Server 2010 Control Panel.
- The SQL Server-based computer must be domain joined, and
reachable by the computer that Topology Builder is publishing
from.
The table follows the reference architectures presented in the Planning section. For details, see Topologies for External User Access in the Planning documentation.
DNS Records Required for the Front End Pool
| Location | Type | FQDN | Maps to/Comments |
|---|---|---|---|
|
Internal DNS |
A |
pool01.contoso.net |
Pool01 (DNS load balancing) |
|
Internal DNS |
A |
pool01.contoso.net |
Pool01 (DNS load balancing) |
|
Internal DNS |
A |
pool01.contoso.net |
Pool01 (virtual IP (VIP) of hardware load balancer) |
|
Internal DNS |
A |
fe01.contoso.net |
Pool01 Front End Server (NODE 1) |
|
Internal DNS |
A |
fe02.contoso.net |
Pool01 Front End Server (NODE 2) |
|
Internal DNS |
A |
lsweb.contoso.net |
Pool01 (VIP) for client-to-server web traffic |
|
Internal DNS |
A |
sqlbe.contoso.net |
Pool01 Back End Server running Microsoft SQL Server 2008, Microsoft SQL Server 2008 R2, or Microsoft SQL Server 2005 |
|
Internal DNS |
A |
sip.contoso.com |
Required for Microsoft Lync 2010 Phone Edition, or automatic logon of clients without DNS SRV records, and for strict domain matching. Not required in all cases. |
|
Internal DNS |
A |
sip.fabrikam.com |
Assumes a second SIP domain. Required for Microsoft Lync 2010 Phone Edition, automatic logon of clients without DNS SRV records, and for strict domain matching. Not required in all cases. |
|
Internal DNS |
A |
dialin.contoso.com |
Simple URL for dial-in conferencing published internally – Front End Server (or Director, if installed) responds to simple URL queries |
|
Internal DNS |
A |
meet.contoso.com |
Simple URL for conferences published internally – Front End Server (or Director, if installed) responds to simple URL queries |
|
Internal DNS |
A |
admin.contoso.com admin |
Optional record, simple URL for Microsoft Lync Server 2010 Control Panel published internally - Front End Server (or Director, if installed) responds to simple URL queries. Host name only (no domain name) is recommended. |
 Note: |
|---|
| VIP = virtual IP address for hardware load balancer |
DNS SRV Records for the Front
End Pool
| Location | Type | FQDN | Anchor Host Record | Port | Maps to/Comments |
|---|---|---|---|---|---|
|
Internal DNS |
SRV |
_sipinternaltls._tcp.contoso.com |
pool01.contoso.com |
5061 |
Required for automatic configuration of Lync 2010 clients to work internally |
|
Internal DNS |
SRV |
_sipinternaltls._tcp.fabrikam.com |
pool01.fabrikam.com |
5061 |
Required for automatic configuration of Lync 2010 clients to work internally |
|
Internal DNS |
SRV |
_ntp._udp.contoso.com |
dc01.contoso.com |
123 |
Network Time Protocol (NTP) source required for Microsoft Lync 2010 Phone Edition-based devices. Internally, this should point to the domain controller. If the domain controller is not defined, it will try to use the NTP server time.windows.com |