How do you manually create srv records in dns?

You must create DNS SRV records in your internal DNS for every SIP domain. The procedure assumes that your internal DNS has zones for your SIP user domains.To create a DNS SRV recordOn the DNS server, click Start, click Control Panel, click Administrative Tools, and then click DNS.In the console tree for your SIP domain, expand Forward Lookup Zones, and then right-click the SIP domain in which your Office Communications Server will be installed.Click Other New Records.In Select a resource record type, click Service Location (SRV), and then click Create Record.Click Service, and then type _sipinternaltls.Click Protocol, and then type _tcp.Click Port Number, and then type5061.Click Host offering this service, and then type the FQDN of the pool.Click OK.Click Done.After you have created the DNS SRV record, create a DNS A for each pool FQDN and URL FQDN that is not the same as the server FQDN.   -To create a DNS A recordClick Start, click Control Panel, click Administrative Tools, and then click DNS.In the console tree for your domain, expand Forward Lookup Zones, and then right-click the domain in which your Office Communications Server will be installed.Click New Host (A).Click Name (uses parent domain name if blank), and then type the name of the pool.Click IP Address, and then enter the VIP of the load balancer. If you will deploy only one Enterprise Edition Server that is connected to the back-end without a load balancer, type the IP address of the Enterprise Edition server. (A load balancer is required if you deploy more than one Enterprise Edition server in a pool). Click Add Host, and then click OK.To create an additional A record, repeat steps4 and5.When you are finished creating all the A records that you need as described earlier in click Done.To verify that the required records have been created successfully, wait for DNS replication (if you have just added the records), and then verify that the records were created as described in the next proced