Thnaks Ram. I have one more issue here are the details:
My Internal Domain name is different from external. I have to sign in user using external domain name.
Clarification:
Internal Domain = contoso.msft
External Domain = northwindtraders.com
User SIP URI = test1@northwindtraders.com
Infrastructure:
1) Created two enterprise pools using two sql instances. one for Enterprise User Home Pool and other is for the director with no users homes
2) Deployed array of Enterprise Pool Servers and activated them with Enterprise User Home Pool
3) Deployed array of Director servers based on LCS 2005 EE SP1 and activated them against Director Pool
4) Deployed Access proxy server
Certificates as follows:
Enterprise Pool FQDN: epool01.contoso.msft
Certificate Issued: epool01.contoso.msft
Director Pool FQDN = dirpool.contoso.msft
Certificate Issued = dirpool.northwindtraders.com
Access Proxy (WorkGroup.Local) and DNS Suffix = northwindtraders.com
Certificate for Internal: ap01.northwindtraders.com
Certificate for External edge: sip.northwindtranders.com
Ports:
EPOOL01.contoso.msft = 5061 MTLS
DIRPOOL.Northwindtraders.com = 5061 MTLS
AP01.Northwindtraders.com 5061
SIP.Northwindtraders.com = 5061
Configuration:
Forest Level:
Federation = dirpool.northwindtraders.com - 5061
Access Proxy = ap01.northwindtraders.msft
EPOOL01
Override Federation = Blank
DIRPOOL
Override Federation = ap01.northwindtraders.msft 5061
Access Proxy
Next Hop = dirpool.northwindtraders.msft
Authorized Servers = Server FQDN for LCS Directors
Public = listening on 5061 with remote access and federation allowed
Private = listening on port 5061
Issue
1) Able to connect via communicator client using dirpool.northwindtraders.com (no issues)
2) Cannot connect via Access Proxy (sip.northwindtraders.msft) tried every thing. It asks for user authentication but does not sign in
3) Bypassed Director and configured Access Proxy next hop to backend EPool01.contoso.msft. Able to connect.
Please advice what is missing when i connect via Access Proxy ====> Dirpool =====> EPool01