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Prevent modifying device date and time settings

Mahesh's picture
Your rating: None (2 votes)

How to prevent users from changing or modifying device date and time settings? There is no existing provision in MDM too. As an MDM provider, we get this a lot from our customers. They want to prevent their users from changing device date and time to manipulate their enterprise apps. Otherwise which is a good alternative right now? How to use network server time for such apps?

Cheers.

strange error during mail synch - when a certificate is used to authenticate, sometimes certificate cannot be validate

bongio's picture
No votes yet

We have the following situation:
- native ios email client
- certificate for user authentication.
- ios 7.04 (this happen even with 6.x.x)

Usually it works fine, but sometimes for some users we have a strange behaviour:
- the error is "..certificate cannot authenticate.." or mail client requests a user password
- after a lot of log checking, it appears the device does not arrive to external firewall, then the exchange too

We checked the error is showed immidiatly and it appears the device does not try to connect to the external url

Debugging the ipad we see this type of error:
Nov 28 15:42:18 s-iPad MobileMail[174] : 0x17da9130|EAS|Error|Failed to get version string
Nov 28 15:42:18 s-iPad MobileMail[174] : 0x17da9130|EAS|Error|error syncing folder: Error Domain=MFMessageErrorDomain Code=1054 "The operation couldn’t be completed. (MFMessageErrorDomain error 1054.)"
Nov 28 15:42:18 s-iPad MobileMail[174] : 0x17da9130|EAS|Error|ASGetOptionsTask failed: Error Domain=DAErrorDomain Code=63 "The operation couldn’t be completed. (DAErrorDomain error 63.)"
Nov 28 15:42:18 s-iPad MobileMail[174] : 0x17da9130|EAS|Error|Failed to get version string
Nov 28 15:42:18 s-iPad MobileMail[174] : 0x17da9130|EAS|Error|error syncing folder: Error Domain=MFMessageErrorDomain Code=1054 "The operation couldn’t be completed. (MFMessageErrorDomain error 1054.)"
Nov 28 15:42:18 s-iPad MobileMail[174] : ERROR: MFMessageErrorDomain/Missing Password - No password provided for “Exchange ActiveSync”

If I enter in settings\mail,contact,calendar\email_configured and I turn off and turn on the "Mail", the mail client starts again to work. After some hours, it stop again...
It appears a device problem, but now we have 400 devices, the end use cannot access the email configuration and this error is becoming a big issue.

Thank you for your help

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