Just giving some more details about the problem that I'm still working on since last week. I had to reboot the server after apply Microsoft patch and I got this message among others that I saw before, but I save at this time to see if will be helpful Details Product: Exchange ID: 2042 Source: MSExchangeSA Version: 6.5.0000.0 Message: Unable to get the AppleTalk network address of the Microsoft Exchange Server computer. User Action No action is required, unless there is another symptop related to the network stack. Appletalk is not a required protocol for Exchange, so you may remove it from the server if it is not needed for any other purpose. If Appletalk is required, make sure that the computer name is setup correctly for Appletalk networks. Thanks, Hermano -----Original Message----- From: Medeiros, Jose [mailto:jmedeiros@xxxxxxxxxxxxxxx] Sent: Friday, July 15, 2005 3:36 PM To: [ExchangeList] Subject: [exchangelist] RE: [exchange list] RE: MAC vs. Exchange 2000 SP 4 http://www.MSExchange.org/ Okay.. your going to have an issue with SMB signing and Lan Manger based authentication. Admitmit Mac supports NTLMv2 and SMB signing and this should solve your problem. You can also change back your domain security policy to accept Lan manager authentication and disable SMB signing, however if you did an in place upgrade from NT 4 to AD it may not work ( At least it did not in my environment ). Good luck, Jose -----Original Message----- From: Hermano JS. Queiroz [mailto:hjsqueiroz@xxxxxxxxxxxxxxxxxx] Sent: Friday, July 15, 2005 12:26 PM To: [ExchangeList] Subject: [exchangelist] RE: [exchange list] RE: MAC vs. Exchange 2000 SP 4 http://www.MSExchange.org/ Yes! You're about the differences and authentication to join into domain. I'll download the software and we are in Exchange - on Native Mode (no pre-exchange 2000 Servers) and on AD Domain - Native mode (no pre-Windows 2000 Domain Controllers) Thanks, Hermano -----Original Message----- From: Medeiros, Jose [mailto:jmedeiros@xxxxxxxxxxxxxxx] Sent: Friday, July 15, 2005 3:16 PM To: [ExchangeList] Subject: [exchangelist] RE: [exchange list] RE: MAC vs. Exchange 2000 SP 4 http://www.MSExchange.org/ Well there is a difference between your PC's and your MAC's. I am sure that the PC's have joined your domain and your users are authenticated to your domain upon logon. Where as the MAC's are only authenticated locally. Now if you want to test some thing, download the trial version of ADMITMAC from Thursby Software http://www.thursby.com/ and see if that resolves your issue. BTW: Are your DC's running AD 2003 in Native mode? Jose ----------------------------------------------- -----Original Message----- From: Hermano JS. Queiroz [mailto:hjsqueiroz@xxxxxxxxxxxxxxxxxx] Sent: Friday, July 15, 2005 11:21 AM To: [ExchangeList] Subject: [exchangelist] RE: [exchange list] RE: MAC vs. Exchange 2000 SP 4 http://www.MSExchange.org/ I thought about this before, but the weird thing is that another user has Eudora as client running on PC and it is working fine with POP3 and authetication set on the server (Same screen showed on the article). Maybe I need to bring my mini MAC and see if changes something, testing different Vlan and machine maybe will give me another error message or solve this problem giving more clues, I don't know but this it is driving me nuts, because I already tested everything that was possible and looks like that I need to renew or disable some kind of authentication besides the one that you sent to me and see what happens... Thanks anyway! Hermano -----Original Message----- From: Medeiros, Jose [mailto:jmedeiros@xxxxxxxxxxxxxxx] Sent: Friday, July 15, 2005 2:11 PM To: [ExchangeList] Subject: [exchangelist] RE: [exchange list] RE: MAC vs. Exchange 2000 SP 4 http://www.MSExchange.org/ I am sorry that I can't send you a screen capture as I do not have any MAC's in my current environment, however each mail client has a menu to enable SMTP authentication on send. You can also turn this feature off on your Exchange server, however your server will then act as a mail relay so unless you have a Sendmail server or some type of server in front of your Exchange servers that talks to the outside world this is probably not a good idea. If you decide to do so for troubleshooting purposes take a look at this link. http://www.microsoft.com/technet/prodtechnol/exchange/EXBPA/616ab191-c5c1-49ab-9262-6e850e14e678.mspx Jose -----Original Message----- From: Hermano JS. Queiroz [mailto:hjsqueiroz@xxxxxxxxxxxxxxxxxx] Sent: Friday, July 15, 2005 10:57 AM To: [ExchangeList] Subject: [exchangelist] RE: [exchange list] RE: MAC vs. Exchange 2000 SP 4 http://www.MSExchange.org/ Yes! All machines are connected to the network and the ports (80,110,143) are ok and maybe others too. Is there any authentication level that I need to take a look on the Exchange server or setting that needs to be done? Thanks, Hermano -----Original Message----- From: Medeiros, Jose [mailto:jmedeiros@xxxxxxxxxxxxxxx] Sent: Friday, July 15, 2005 1:45 PM To: [ExchangeList] Subject: [exchangelist] RE: MAC vs Exchange 2000 SP 4 http://www.MSExchange.org/ Hi Hermano, If you can't even telenet to the smtp port on the server then my guess is that you have a network problem. Is this happenuing on all your Remote MAC clients? Can your MAC clients on your internal LAN connect? How is your firewall configured are you allowing PORT 110 and 143 incoming? Jose ------------------------------------ -----Original Message----- From: Hermano JS. Queiroz [mailto:hjsqueiroz@xxxxxxxxxxxxxxxxxx] Sent: Friday, July 15, 2005 10:27 AM To: [ExchangeList] Subject: [exchangelist] RE: MAC vs Exchange 2000 SP 4 http://www.MSExchange.org/ I also tried in different situation like POP and IMAP, I believe that one it is working with Entourage using IMAP, but she it out of control with her folder space and I need to cut that, but the others that are trying to use POP it is the one that isn't working specialy sending messages. Hi Jose, First of all, thanks for your replies! Well, maybe I'm wrong, but I tested reverse DNS and different ways and using different tools and it is working fine answering my requests, but when I use Telnet to test the 25 port it is the problem with timeout and it's working with PC's fine. For those non domain members, is there any particular settings or service that I need to checked? The reason that I'm, this question it is because was working fine before and the only thing that might happened could be the latest patches applied related with security issues from Microsoft. All PC's are autenthicated when we are setting them for the first time, but MAC's we have not done anything with it. I assume that Entourage it is the last version but all MAC are running Tiger OS. Thanks again, Hermano Thanks, Hermano -----Original Message----- From: Medeiros, Jose [mailto:jmedeiros@xxxxxxxxxxxxxxx] Sent: Friday, July 15, 2005 12:27 PM To: [ExchangeList] Subject: [exchangelist] RE: MAC vs Exchange 2000 SP 4 http://www.MSExchange.org/ Oh.. one more thing the Tech at the Apple store is correct you do have to enable SMTP based authentication to send on the mail client ( That is the default setting with Exchange 2000 and 2003 ). But that would be required with all Mac and PC based clients that are non domain members and are not using Outlook in MAPI mode. Jose -------------------------------------------------------- -----Original Message----- From: Medeiros, Jose Sent: Friday, July 15, 2005 9:06 AM To: [ExchangeList] Subject: [exchangelist] RE: MAC vs Exchange 2000 SP 4 http://www.MSExchange.org/ This is just a guess but it sounds like your having an issue with reverse DNS lookups. I have used MAC OS 9-10.3 with an Exchange 2000 and 2003 server and have not had the issues that you are having. I am also assuming that your using POP or IMAP on the MAC clients. If your using MAPI in Entourage what version are you running? Jose -----Original Message----- From: Hermano JS. Queiroz [mailto:hjsqueiroz@xxxxxxxxxxxxxxxxxx] Sent: Friday, July 15, 2005 5:42 AM To: [ExchangeList] Subject: [exchangelist] MAC vs Exchange 2000 SP 4 http://www.MSExchange.org/ Hi Everyone, I'm dealing with a weird situation involving some Mac units using Entourage or even Mail 1.3.9 as client and I got different messages all the time. All three machines are behind the firewall as well as our Exchange server, so it is using the same range of private IP address 10.X.X.X . For some unknown reason when I telnet the Exchange Server using these MAC, I got timeout message, but using PC it is ok and also we do have other Eudora Client (PC) and it is working fine, only with MAC. The messages are: 1- The attempt to read data from the server "10.x.x.x." failed. Mail 1.3.9 V (619) 2- Finger Connection Refused 3- Connection Closed by Foreign Host 4- Error - This message could not be delivered and will remain in your outbox until it can be delivered + Ok Microsoft Exchange 2000 POP Server Version 6.0.6603.0 (<server name>) Ready! Any clue, thoughts, advises or whatever will be really appreciated! PS. All message related above I already tried to found some reasons, but Microsoft website and others known forums doesn't give me an specific clue. Someone from an Apple store was saying that the machine needs to be authenticated on the server, and I'm not sure if I need to have any appletalk plug-in or any service from exchange needs to be active, because was working before and suddenly start to quit one by one. Thanks again! 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