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    Hi All,

    We have built a couple of Skype For Business Servers on 2 different domains. 1 domain is complete on prem and 1 domain is hybrid

    with Office 365 but users homed on prem. 

    The only thing i cant get to work on both domains is the file transfer in Persistant Chat. 

    Any pointers in getting this to work ?

    Wednesday, December 14, 2016 9:36 AM

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    Hi GrumbleD,

    Welcome to post in our forum.

    Would you please tell us did all users can’t do file transfer in your environment?

    If the issue only appeared on the specific client, please try to delete SFB cache files and make sure SFB with the latest update then test again.

    %userprofile%\AppData\Local\Microsoft\Office\15.0\Lync\sip_UserName@Domain.com

    Please try to disable the Antivirus and windows firewall on the client machines

    Make sure the configuration of SFB persistent chat is right.

    https://technet.microsoft.com/en-us/library/dn951379.aspx?f=255&MSPPError=-2147217396

    The following blog describes Persistent Chat file transfer fails between an external user and an internal user in Lync 2013, it’s similar to SFB server 2015, please refer to

    https://support.microsoft.com/en-us/kb/2932389

    Hope this reply is helpful to you.

    Regards,

    Alice Wang

    Please remember to mark the replies as answers if they help.
    If you have feedback for TechNet Subscriber Support, contact tnmff@microsoft.com.

    • Proposed as answer by Alice-Wang Monday, December 19, 2016 8:30 AM
    Thursday, December 15, 2016 7:38 AM
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    What issues do you experience when you try to upload a file in a Persistent Chat room?
    Thursday, December 15, 2016 8:44 AM
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    Hi Alice,

    This affects all our users. 

    Regards

    Graham

    Monday, December 19, 2016 10:24 AM
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    Hi Daniel

    When our users try to tranfer a file all they see is a Thumbnail in the persistent chat window. 

    If we use the 2016 Skype 4 Business client nothing appears in the persistent chat window, just the messeages between users.

    Regards

    Graham

    Monday, December 19, 2016 10:25 AM
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    Hi Alice

    Forgot to mention that i am not trying to get persistent chat between domains.

    File transfer does not work for users on the same domain

    Regards

    Graham

    Monday, December 19, 2016 12:45 PM
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    Hi Graham,

    We've seen this behaviour ourselves and at a number of customers - it appears to be a bug in the SfB client, which we believe Microsoft are aware of. We have our own web based client for SfB Persistent Chat which solves the issue for us - so perhaps you could look at that so your users can share files to chat rooms. 


    AK

    Tuesday, December 20, 2016 8:29 AM
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    Hi AK,

    Thanks for that information. and its not just us that is having the issue.

    What web client do you use ? 

    Regards

    Graham


    • Edited by GrumbleD Tuesday, December 20, 2016 11:46 AM
    Tuesday, December 20, 2016 10:57 AM
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    Hi Graham,

    I work for MindLink, actually a Microsoft partner who specialises in Persistent Chat, hence we have built a PChat client for Windows, Mac, Linux and Mobile which solves the file transfer issue (amongst other things) for us. I’m afraid I’m not aware of an actual out-of-the-box fix for you though

    AK

    Wednesday, December 21, 2016 1:34 PM
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    I did found a nasty workaround:

    If you just add text to the attachment (one single character is enough, even a "space" will do!) the attachment ist published as expected.

    discussing it here:

    Bug in Persistent Chat Room: Fileupload only with a trick 


    • Edited by F.One Thursday, March 2, 2017 10:46 AM
    Thursday, March 2, 2017 10:45 AM