Exchange Web Servisleri

Merhaba arkadaşlar exchange web servisleriyle ilgili problem yaşıyorum power shell uzerinden test yaptığımda aşağıdaki hataları alıyorum

 bunu 3. postum ama hiç cevap alamadım tatilemi çıktı üstadlar

kunu hakkında yardımcı olabilirseniz sevinirim.

[PS] C:\>Test-OwaConnectivity
WARNING: Test user 'CAS_4b585427bc754014' cannot be accessed.
Therefore, this cmdlet will be unable to test Mailbox server
'MAILSRV.xxxx.com.tr'.
Test-OwaConnectivity : Could not find or log on with user xxxx.com.tr\CAS_
4b585427bc754014. If this task is being run without credentials, log on as a Do
main Administrator, and then run the new-TestCasConnectivityUser.ps1 to verify
that the user exists on Mailbox server MAILSRV.xxxxx.com.tr
At line:1 char:20
+ Test-OwaConnectivity <<<<
WARNING: No Client Access servers were tested.
[PS] C:\>Test-OutlookWebServices

                        Id                       Type Message
                        --                       ---- -------
                      1003                Information About to test AutoDisc...
                      1007                Information Testing server MAILSRV...
                      1019                Information Found a valid AutoDisc...
                      1013                      Error When contacting https:...
                      1006                      Error The Autodiscover servi...

[PS] C:\>Test-PopConnectivity
WARNING: Test user 'CAS_4b585427bc754014' cannot be accessed.
Therefore, this cmdlet will be unable to test Mailbox server
'MAILSRV.xxxx.com.tr'.
Test-PopConnectivity : Could not find or log on with user xxxx.com.tr\CAS_
4b585427bc754014. If this task is being run without credentials, log on as a Do
main Administrator, and then run the new-TestCasConnectivityUser.ps1 to verify
that the user exists on Mailbox server MAILSRV.xxxx.com.tr
At line:1 char:20
+ Test-PopConnectivity <<<<
WARNING: No Client Access servers were tested.
[PS] C:\>Test-ActiveSyncConnectivity
WARNING: Test user 'CAS_4b585427bc754014' cannot be accessed. Therefore, this
cmdlet will be unable to test Mailbox server 'MAILSRV.xxxx.com.tr'.
Test-ActiveSyncConnectivity : Could not find or log on with user xxxx.com.
tr\CAS_4b585427bc754014. If this task is being run without credentials, log on
as a Domain Administrator, and then run the new-TestCasConnectivityUser.ps1 to
verify that the user exists on Mailbox server MAILSRV.xxxx.com.tr
At line:1 char:27
+ Test-ActiveSyncConnectivity <<<<
WARNING: No Client Access servers were tested.