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Hi Kindly advise me.
I have added Mx record and Autodiscover record in External DNS as below
DNS- Gankee.com MX - 0 - =gankee-com.mail.eo.outlook.com
But when configure outlook prompt username password. even i enter correct credential. and also i test autodiscover connection using remote connection analyzer its failed
I think your autodiscover is working fine - if it weren't you wouldn't get the login prompt. It looks ok in NSLOOKUP.
Are you sure you are entering the credentials properly?
Are you also deploying the records on your internal DNS? Especially if you are running outlook on a client that is doing lookup on the internal DNS and not the external.
You have to authenticate the first time after autodiscover has run and choose to save them in the Credential Manager (Win7). No prompt will appear til the user has to change the domain password. This is due to MS using the proxy functionality in outlook and authenticating with basic authentication to the o365 exchange proxy server. If they had used NTLM there would not be any prompts...
Hope this helps
Thanks For your reply.
I trying to setup outlook outside of my organisation.network(external netwok not in internal network) is it still trying to lookup internal records. kindly assist your co-operation is highly appriciated.
How are you testing "external network" access? From a domain joined computer on the company network?
When you say lookup internal records I am thinking that you have an on-premise exchange infrastructure. Outlook clients on domain joined computers will always check AD for autodiscover records prior to checking DNS. Maybe thats where you are getting "internal network" data from?
Note: Autodiscover.outlook.com requires a successful Authentication before autodiscover.xml data will be returned.