Sandbox not working?

I have four enterprise iOS apps that use Push Notifications, and suddenly all four of them have started failing on pushing to my development device. Production devices are working fine.


The server message is "A call to SSPI failed."


I've tried everthing I can think of, including revoking and reissuing development APNS certificates, nothing works. I'm at the end of my rope.


Apple's network status shows no problem for the sandbox server.


I'm wondering if anyone else is having this trouble? Or can there be something simple I am overlooking?


Thanks!

Hello,
i am getting same issue, few days ago snabox and production both were working fine with enterprise account, but now only production working . i tried using FCM as well same issue. No error comes but notification not reeving at device. Tried deleting app, creating new p12, pem and APN key as well. Anyone having same issue recently?
Sandbox not working?
 
 
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