Activesync issues exchange 2010

Hi

Facing problem in activesync (exchange 2010)

I checked internally it's showing the below error 

Can someone help me for solve the below

[PS] C:\Windows\system32>Test-ActiveSyncConnectivity -ClientAccessServer CHNEXCH01 -URL "https://chnexch01.astraglobal.l
ocal/Microsoft-server-activetsync" -MailboxCredential (get-credential design)

The -URL and -ClientAccessServer arguments are mutually exclusive.
    + CategoryInfo          : InvalidArgument: (:) [Test-ActiveSyncConnectivity], ApplicationException
    + FullyQualifiedErrorId : 78AFAC63,Microsoft.Exchange.Monitoring.TestMobileSyncConnectivity

Thanks