I have already tried that out. Just to update you that my IM server is installed on the same server which is the front end server for my OWA and configured to use SSL. Regards, Ketan Pandya Technology Infrastructure Services Mastek Ltd ' 91 22 695 22 22 Extn 1672 7 91 22 695 11 11 * <mailto:ketanp@xxxxxxxxxx> ketanp@xxxxxxxxxx -----Original Message----- From: Julio Danoviz [mailto:jedanoviz@xxxxxxxxxxxxxxxx] Sent: Friday, July 19, 2002 8:20 PM To: [ExchangeList] Subject: [exchangelist] RE: problem logging into IM!!!!-Help http://www.MSExchange.org/ Check this: If your organization uses a firewall or proxy server, NTLM authentication may not be working. The Instant Messaging client uses Microsoft Internet Explorer proxy settings, so you must add your Instant Messaging domain to the Internet Explorer Exceptions list. To modify the Exceptions list: 1. In Microsoft Internet Explorer 5 and later, click Internet Options on the Tools menu. In Microsoft Internet Explorer 4.x, click Internet Options on the View menu. 2. Click the Connections tab. 3. Click the LAN Settings button. 4. Click the Advanced button in the Local Area Network (LAN) Settings dialog box. 5. In the Exceptions box, under Do not use proxy server for addresses beginning with, type your domain name preceded by an asterisk (*). For example, if your domain were microsoft.com, you would type *.microsoft.com. -----Mensaje original----- De: Ketan Pandya [mailto:ketanp@xxxxxxxxxx] Enviado el: Friday, July 19, 2002 11:17 AM Para: [ExchangeList] Asunto: [exchangelist] problem logging into IM!!!!-Help http://www.MSExchange.org/ Hi, I've installed IM on one of the Exchange 2000 servers. I have verified all the settings with Exchange 2000 documentation and it seems OK. I couldn't see any events related to IM in server's application logs. I'm receiving below error on w3svc log file on server. 2002-07-19 11:49:22 172.16.32.110 - 172.16.32.129 80 SUBSCRIBE /instmsg/aliases/ketanp - 403 - While logging into exchange using IM from an XP client, I receive below error. Exchange Instant Messaging Authentication Failure The person logged on to this computer does not have permission to use the specified e-mail address. Please type your e-mail address and password. Can anybody help me? Thanks. Regards, Ketan Pandya Technology Infrastructure Services Mastek Ltd ' 91 22 695 22 22 Extn 1672 7 91 22 695 11 11 * <mailto:ketanp@xxxxxxxxxx> ketanp@xxxxxxxxxx MASTEK Investing in relationships In the US, we're called MAJESCO ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Opinions expressed in this e-mail are those of the individual and not that of Mastek Limited, unless specifically indicated to that effect. Mastek Limited does not accept any responsibility or liability for it. This e-mail and attachments (if any) transmitted with it are confidential and/or privileged and solely for the use of the intended person or entity to which it is addressed. Any review, re-transmission, dissemination or other use of or taking of any action in reliance upon this information by persons or entities other than the intended recipient is prohibited. This e-mail and its attachments have been scanned for the presence of computer viruses. It is the responsibility of the recipient to run the virus check on e-mails and attachments before opening them. If you have received this e-mail in error, kindly delete this e-mail from all computers. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ------------------------------------------------------ You are currently subscribed to this MSExchange.org Discussion List as: jedanoviz@xxxxxxxxxxxxxxxx To unsubscribe send a blank email to $subst('Email.Unsub') ------------------------------------------------------ You are currently subscribed to this MSExchange.org Discussion List as: ketanp@xxxxxxxxxx To unsubscribe send a blank email to $subst('Email.Unsub')