Outlook issue over Multilinks
Hi,
We are facing an odd issue here with Outlook through Cisco 2821s. We have two sites connected by multilinks. One site has the exchange server and the other site has clients accessing it. On the site having the Exchange server we are able to access emails using the Outlook thick client but on the other site users cannot connect to the Exchange server. Error says "server not found". They are able to access their email through http://(name of server)/exchange at the remote site. Microsoft does not throw any errors on the server or the client. Clients at the remote site are able to access files across the multilink as well from the main site and there is no quality issues with the phone calls placed through VoIP(Cisco Call Manager 4.2). The problem is I don't know where to start troubleshooting from. Thanks.
We are facing an odd issue here with Outlook through Cisco 2821s. We have two sites connected by multilinks. One site has the exchange server and the other site has clients accessing it. On the site having the Exchange server we are able to access emails using the Outlook thick client but on the other site users cannot connect to the Exchange server. Error says "server not found". They are able to access their email through http://(name of server)/exchange at the remote site. Microsoft does not throw any errors on the server or the client. Clients at the remote site are able to access files across the multilink as well from the main site and there is no quality issues with the phone calls placed through VoIP(Cisco Call Manager 4.2). The problem is I don't know where to start troubleshooting from. Thanks.
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I'm assuming then that you can ping the mail server from an affected workstation? Did you happen to configure any access-lists on that router with the MLPPP?
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Yes I can ping from all the workstations there and the issue is with all the workstations, not a particular one. No changes were made on any of the configs on either side of the MLLPPP. Anything else I should be looking for? Thanks.
If you have access to the 2821's check the logs on both and see if the packets are being dropped. The running ruleset might be allowing the traffic.
In an MLPPP configuration, you have per packet or per detination load balancing. What is yours currently set for?
Sounds like a DNS/WINS issue. Are you using WINS at all?
Actually it sounds like mapi is being dropped at on of the routers. try this webpage http://support.microsoft.com/kb/270836 then once you set your port number allow that to pass on both firewalls.
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No, we do not use WINS and DNS is resolving correctly.
What type of load balancing are you doing on your MLPPP link? I.e., per packet or per destination.
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Thanks for getting back. I forgot to mention that the nslookup returns the correct IP address for both exchange server as well as the mail domain.