Outlook cannot connect to Exchange!

[mcymatt]

This one is tough.
A network of 9 PCs all except 2 can connect to the Exchange server. The 2 that cannot connect are Windows 98SE w/ Outlook 98 and Windows 95 w/Outlook 2000.
Recent changes:
1. DSL services added
2. Firewall added.
3. Network changed from DHCP to static IP.
4. Router Ras turned off to disregard Dialup access formally used.
5. Proxy Uninstalled from Clients & turned off @ server.
Note:
1. WINS is running.
2. No DNS
3. Server is Microsoft SBS 4.5 SP6a
4. PCs can access the network for all other Applications.
5. These 2 PCs are blocked from Internet access.
6. Other Blocked PCs can connect to Exchange.
What I have done to attempt a resolution:
1. I added the WINS server in the Static IP. (No luck)
2. I can ping the Server by name & IP from these Workstations.
3. I Reserved IP addresses for the PCs with this issues and went back to DHCP. (No luck)
4. I have added LHOSTS and HOSTS files. (No luck)
I do not know what I have missed. Please point me in the right direction

THANKS!!
Matt

 

[Doroth]

Please excuse me for this if it it too basic, but have you made sure that Outlook is correctly set up for exchange at these two stations?

 

[mcymatt]

The PCs were not added the exchange / Outlook issue did not surface until we went from DHCP to static IPs. When I am at the PCs I added the IP address of the Exchange Server. The Ip address changes to the name then I cannot connect to the exchange server though Outlook.
I only wish it was that easy.

Thanks!