I get this error on my event after restart IIS.
I run this two command for resolve error but error is exist.
`Get-Mailbox | Set-CasMailbox -ActiveSyncEnabled $False`
`Get-Mailbox | Set-CasMailbox -ActiveSyncEnabled $True`
Error:
> Level Date and Time Source Event ID Task Category
> Warning 1/3/2023 11:37:52 AM ASP.NET 4.0.30319.0 1309 Web Event "Event code: 3005
> Event message: An unhandled exception has occurred.
> Event time: 1/3/2023 11:37:52 AM
> Event time (UTC): 1/3/2023 8:07:52 AM
> Event ID: 7c89094cd79849efb70201ca892246f8
> Event sequence: 3
> Event occurrence: 1
> Event detail code: 0
>
> Application information:
> Application domain: /LM/W3SVC/2/ROOT/Microsoft-Server-ActiveSync-1-133171417813586892
> Trust level: Full
> Application Virtual Path: /Microsoft-Server-ActiveSync
> Application Path: C:\Program Files\Microsoft\Exchange Server\V15\ClientAccess\sync\
> Machine name: EX-MB-03
>
> Process information:
> Process ID: 17228
> Process name: w3wp.exe
> Account name: NT AUTHORITY\SYSTEM
>
> Exception information:
> Exception type: ThreadStateException
> Exception message: Thread has not been started.
> at System.Threading.Thread.JoinInternal(Int32 millisecondsTimeout)
> at System.Threading.Thread.Join(TimeSpan timeout)
> at Microsoft.Exchange.AirSync.Common.NotificationManager.ShutdownNotificationManagerTimerThread()
> at Microsoft.Exchange.AirSyncHandler.Global.ExecuteApplicationEnd(Object sender, EventArgs e)
>
>
>
> Request information:
> Request URL:
> Request path:
> User host address:
> User:
> Is authenticated: False
> Authentication Type:
> Thread account name: NT AUTHORITY\SYSTEM
>
> Thread information:
> Thread ID: 114
> Thread account name: NT AUTHORITY\SYSTEM
> Is impersonating: False
> Stack trace: at System.Threading.Thread.JoinInternal(Int32 millisecondsTimeout)
> at System.Threading.Thread.Join(TimeSpan timeout)
> at Microsoft.Exchange.AirSync.Common.NotificationManager.ShutdownNotificationManagerTimerThread()
> at Microsoft.Exchange.AirSyncHandler.Global.ExecuteApplicationEnd(Object sender, EventArgs e)
