ActiveSync issue event id 4023 MSExchangeADAcces (Network Steve Forum)

ActiveSync issue event id 4023 MSExchangeADAcces

Hi team,

I have Exchange 2013 CU7 with two MBX and Two CAS, separate Role

suddenly I have a issue with Exchange ActiveSync. some error event is show at mailbox server

Log Name:      Application
Source:        MSExchange ADAccess
Date:          9/2/2015 2:23:21 PM
Event ID:      4023
Task Category: General
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      MBX01.contoso.com
Description:
Process w3wp.exe (AirSync) (PID=36012). The budget for user 'contoso\xxx_SEC1071958C27CA8_SAMSUNGxxxxx' is locked out until 9/2/2015 7:28:21 AM. Max Burst: 480000, Recharge Rate: 1800000, CutoffBalance: -600000

when is test activesync connectivity. the error is bellow

PS] C:\Windows\system32>test-activesyncconnectivity -URL https://email.contoso.com/Microsoft-Server-Activesync
-MailboxCredential (Get-Credential contoso\xxx) | fl
RunspaceId                  : 1f17bc73-df51-4c50-8977-19b772ef8b8d
LocalSite                   : Central
SecureAccess                : True
VirtualDirectoryName        :
Url                         :
UrlType                     : Unknown
Port                        : 0
ConnectionType              : Plaintext
ClientAccessServerShortName : email
LocalSiteShortName          : Central
ClientAccessServer          : email.contoso.com
Scenario                    : Options
ScenarioDescription         : Issue an HTTP OPTIONS command to retrieve the Exchange ActiveSync protocol version.
PerformanceCounterName      : DirectPush Latency
Result                      : Failure
Error                       : [System.Net.WebException]: The request was aborted: The request was canceled.
UserName                    : xxx
StartTime                   : 9/2/2015 2:25:10 PM
Latency                     : -00:00:01
EventType                   : Error
LatencyInMillisecondsString :
Identity                    :
IsValid                     : True
ObjectState                 : New

I already change user throttling policy, but issue still persist.

I check at CAS Server, I found that issue is come

before this issue, I already rasie eas value at CAS webconfig into 5000 after update CU7

as mention in this forum

https://social.technet.microsoft.com/Forums/office/en-US/08e53279-810f-48fa-9931-fa10f575affc/active-sync-issue?forum=exchangesvrgeneral

and then I change the eas, from 5000 to 50000. but when I test-activesyncconnectivity the issue still same.

is there any suggestion?

Please Help

September 2nd, 2015 3:43am

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