skype for busines 2015 , do not show members groups

Mawix 21 Reputation points
2021-09-01T07:40:21.413+00:00

hello i have a problem, after install latest CU my skype for busines do not show group members
i see on client : "cannot perform this action and the cause is unknown contact to your support team to investigate this problem"

i can't find anythink in google about this error

do someone know how to resolve it ?
i installet latest CU and set Force using TLS 1.2 (maybe i can couse problem ? )

Thanks for any ideas

Regards

Skype for Business
Skype for Business
A Microsoft communications service that provides communications capabilities across presence, instant messaging, audio/video calling, and an online meeting experience that includes audio, video, and web conferencing.
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