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CRM App for Outlook: Can't connect to Dynamics 365 on prem

Posted on by Microsoft Employee

Hallo Folks,

after upgrading our CRM Server 2011 to Dynamics 365 (on premise) I'am not anymore able to connect the CRM Client for Outlook. The error message says: "Problem communicating with the Microsoft Dynamics CRM Server". Access by Web Browser is working with the same URL.

This is a small Setup on one Server. There is no Internet facing Deployment or ADFS installed. We're using CRM only internaly. CRM Client for Outlook was working with CRM 2011.

Logfile says:

Error connecting to URL: myserver/.../Organization.svc Exception: System.InvalidOperationException: Data[0] = "The provided uri did not return any Service Endpoints!

If I try to open the URL https://MYSERVER/XRMServices/2011/Organization.svc in my Web Browser I receive an error: "Invalid User authentication"

Maybe I was a little to quick and I think I need IFD for the Outlook Client - is that right? No other way?

I'am far from beeing an CRM expert and I appreciate any help from you. Keep in mind that I do not have any detailed CRM knowlege. Thank you!

*This post is locked for comments

  • Community Member Profile Picture
    Community Member Microsoft Employee on at
    RE: CRM App for Outlook: Can't connect to Dynamics 365 on prem

    Did you manage to solve this issue with Support, and if you do, would you please share solution here ?

  • Marc G. Profile Picture
    Marc G. 895 on at
    RE: CRM App for Outlook: Can't connect to Dynamics 365 on prem

    Well good that you opened a ticket with MS. Let's hope they can solve the issue!

  • Community Member Profile Picture
    Community Member Microsoft Employee on at
    RE: CRM App for Outlook: Can't connect to Dynamics 365 on prem

    It's an Incident at Microsoft now. Support tried over 3 houers to fix the problem, without any efford. Seems to be tricky.

  • Marc G. Profile Picture
    Marc G. 895 on at
    RE: CRM App for Outlook: Can't connect to Dynamics 365 on prem

    If the repair installation didn't work, we need to start a trace in order to see what's really the problem. Can you start tracing on the CRM Server and post the trace files here?

  • Community Member Profile Picture
    Community Member Microsoft Employee on at
    RE: CRM App for Outlook: Can't connect to Dynamics 365 on prem

    @juge Thanks for your reply, if you need any kind of information or not get success, feel free to connect me. 

  • Community Member Profile Picture
    Community Member Microsoft Employee on at
    RE: CRM App for Outlook: Can't connect to Dynamics 365 on prem

    Repair installation was sucessfull, but error still exists :( Any other advice? I appreciate your support guys!

  • Suggested answer
    Marc G. Profile Picture
    Marc G. 895 on at
    RE: CRM App for Outlook: Can't connect to Dynamics 365 on prem

    Haha I do speak German, but not that good ;-). Weird... This has to work... Just try to repair the CRM installation. It might have something to do with SPN records. That will be repaired when you do a repair on the CRM installation.

    I have multiple customers working with the Outlook Client without using ADFS / IFD. So this should just work without them.

  • Community Member Profile Picture
    Community Member Microsoft Employee on at
    RE: CRM App for Outlook: Can't connect to Dynamics 365 on prem
    Can't access:

    Ungültige Benutzerautorisierung.
    
    Die der Plattform übergebene Benutzerauthentifizierung ist ungültig.  

    ("invalid user autorisation - Method of user authentication invalid")

    Do I need ADFS to publish the discovery inormation?!

  • Suggested answer
    Marc G. Profile Picture
    Marc G. 895 on at
    RE: CRM App for Outlook: Can't connect to Dynamics 365 on prem

    Hi, ok so everything seems fine but the CRM Server is not showing the discovery information. Can you reach this url manually?

    myserver/.../Discovery.svc

    If not, try to start a repair on the CRM installation.

  • Community Member Profile Picture
    Community Member Microsoft Employee on at
    RE: CRM App for Outlook: Can't connect to Dynamics 365 on prem

    User is both Windows Domain and CRM Admin.

    All shown URL in the Developer Ressources are starting with "https://MYSERVER/MYINSTANCE

    I added the full log to my last post above. Thank you so far!

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