To correct the issue, either change the issuing certificate authority’s signature algorithm to a supported algorithm such as sha256RSA or obtain a certificate from an authority with a supported signature algorithm such as the following: One of the reasons why this error would be thrown causing audio conferencing PIN login issues is if the front-end server is assigned a certificate that is configured with an unsupported Signature Algorithm such as the following example: If you see this error continuously, examine the server traces and contact product support. Request Details - Entity: Device Id:, Authenticated User: Context: GetAndPublish web service failed due to an internal error. I added the device to the dialout group as described in the bug.You’ve received reports that users have experienced issues with logging into an audio conference as the leader with their PIN and noticed that your Skype for Business Server 2015 front-end server has the following error written in the Lync Server logs: The device did not have the dialout group, as described in this bug: I checked the permissions on the modem device, only root had access to the device. Perhaps it has something to do with dialout, with 'metered connection', etc. I suspect this has something to do with ubuntu and/or skype treating the wireless broadband connection differently from a wifi connection. It could be a problem with the modem (firmware?), or with ubuntu/modemmanager/networkmanager. (also, according to their technical support they are not blocking).ī) that the problem is related to the use of the modem connection from ubuntu. (This is via wifi to the huawei box, and via gsm from there).Ī) that it is not my ISP blocking anything. When using the same sim-card, inserted into a mobile wifi box like huawei E5776, skype can also connect without problems. When I'm using my laptops built-in mobile broadband modem, skype cannot connect.Īdditional symptom: After signing out of skype, I cannot sign in again.Įverything else (internet connection from browser, dropbox, etc.) connects without problems.

Skype sign in problem