[Sticky] Server problems with Arma 3 update 1.86
The problems with server signatures are known and BI are working on a hotfix.
Here's a comment from one of the BI developers: https://forums.bohemia.net/forums/topic/220618-update-186-verify-signatures/?do=findComment&comment=3327107
So we just have to wait and see when they will release the update, meanwhile, we have to disable signature verification...
EDIT: They have now rolled back the security update: https://dev.arma3.com/post/spotrep-00083
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