Exchange account in Entourage says : NOT CONNECTED

Hi,

Previous post ID:23300280 described a problem about an Entourage account not being able to connect to an Exchange Server anymore. I'm experiencing exactly the same issue. Basically, everything was working fine this friday. I got back this morning (monday) and 2 of 4 MAC computers couldn't connect to my Exchange server anymore. All the account on the PCs can connect to the server correctly.

I was able to fix one of them by completely removing the account from Entourage and recreating it. I also had to delete the keychain entry for entourage to get it working.

By the way, those 2 MAC are running MAC OS X 10.3.9 and have been working fine for more than 2 years on this network. This is the 2nd time in a month that this problem is happening and I never know where to start troubleshooting. Right now, still 1 of my MAC is not able to connect to the exchange server.

What can I do and what could could be the root cause of this problem.

Thanks
MatrekAsked:
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MatrekConnect With a Mentor Author Commented:
Here's my answer :
http://support.apple.com/kb/HT2385?viewlocale=en_US

I did this on those 2 macs and the resolution started working right away.
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isaman07Commented:
The most common problem of entourage clients not being able to connect to an exchange server is the name rsolution, meaning, instead of entering the exchange server name, enter the IP address, as well, the other common problem is that people forget to enter the LDAP server (domain controller, global catalog). Make sure that you enter both servers IP addresses instead of the names.

Harout
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isaman07Commented:
Do not forget to check the option, this server requires me to logon.
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MatrekAuthor Commented:
Hi,

Thx for pointing out the problem. I will give you the points since you pointed out where the problem was.
You are absolutely right, the problem is with the name resolution. The 2 MACs in question have multiple links to internal webpages and internal web applications.

None of those are working anymore. I had to change the server names by their proper IP address.

What happened? Why all of a sudden the name resolution stopped working on those 2 MACs?

It will be great if someone can figure that out.
Let me know.

By the way, I tried flushing the dns cache on both of them without success.


Thank you
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isaman07Commented:
Name resolution depends on DNS. If they are assignes manual IP addresses, then make sure that they are assigned a local DNS server, if they are using DHCP, then make sure that they are getting the proper DNS server address.
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MatrekAuthor Commented:
Hi,

My whole domain is using the same dhcp and dns server. When the DHCP server assignes IP addresses, it does assigned a local dns server.

The problem is related to those 2 stations and this is what I'm trying to figure out.
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isaman07Commented:
Are them members of active directory?
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MatrekAuthor Commented:
Yes they are. Each user have their own username and password and are member of the domain.
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