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Push Notifications for Secure Mail with iOS 14 not working


Marc Kuhn

Question

Hi guys

we have a new environment with Citrix XenMobile 10.13 On-Prem and Exchange 2016 also On-Prem. I had another topic here with the same issue in another environment. I have done the following thing here:

1. Firewall Rule configured from XenMobile to Apple: 

 image.thumb.png.4df1a4a2beeaca67668507448111d425.png
 

2. Fireall Rules configured from Netscaler & Exchange to Citrix Listeners:

image.thumb.png.949ffab4cb762c9dab01a4363090b9a8.png

image.thumb.png.7782a259e6ddaa5fae27625564c8197b.png

 

3. Secure Mail Config:

image.thumb.png.de67bd9ff17c1895ca35f16531e01003.png

image.thumb.png.9110b3df6fcb3bfcf81c65e554365ca8.png

image.thumb.png.d48eeb8e04bac6b732f0ce3704363634.png

 

Everything is working except the Push Notification. Also i noticed when i try to browse the XenMobile Server MDM URL from the Internet, i receive this error:

 

image.thumb.png.04675f5cbcea47b704428e951f8caf12.png

 

I'm not sure if those two things are related but with my other customers XenMobile i don't get this Error.

 

Many thanks for any hints on that.

 

Best regards,

Marc

 

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Hi

i just realized the i was able to telnet the URL, but not both of those IP's from the Exchange. There was a typo in the Firewall Rule Config. Now i receive this message on the Exchange:

 

The request was aborted: Could not create SSL/TLS secure channel. Status: SecureChannelFailure    at System.Net.HttpWebRequest.EndGetResponse(IAsyncResult asyncResult)
   at Microsoft.Exchange.Services.Core.NotificationServiceClient.HandleResponse(IAsyncResult responseAsyncResult)

 

This is configured on Exchange Side:

 

image.thumb.png.e7c19a0c8e8e2430cf9ea6d5617050a3.png

 

Best regards,

Marc

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