Hello Guys, I need some help. I updated my Exchange Serves 2016 (Dag), everything working without EWS. I tried before recreate EWS Virtual Directories, but after removing both directories i had possibility to add only one EWS Directory. When I added to other server i got communicate: ![77991-exchange1.jpg][1] SMTP and ActiveSync working properly but when i had failed test in microsoft activity with EWS and RCP: EWS ![77937-exchange2.jpg][2] RCP: ![77897-exchange3.jpg][3] And my checks from Powershells ![77955-exchange4.jpg][4] ![78001-exchange5.jpg][5] When i'm entrying to EWS URL im getting request for WIndows Auth and i can see that: URL with internl server is avaible too. ![78002-exchange6.jpg][6] Organization Config: EwsAllowEntourage : EwsAllowList : {Outlook-Android/, Outlook-iOS/} EwsAllowMacOutlook : EwsAllowOutlook : EwsApplicationAccessPolicy : EnforceAllowList EwsBlockList : EwsEnabled : True CAS Config: EwsEnabled : True EwsAllowOutlook : EwsAllowMacOutlook : EwsAllowEntourage : EwsApplicationAccessPolicy : EwsAllowList : EwsBlockList : After use Get-ClientAccessServer and Test Outlook Webservices Source ServiceEndpoint Scenario Result Latency (MS) ------ --------------- -------- ------ ------- DEIMOS.pak.local sun.pak.local Autodiscover: Outlook Provider Failure 5 DEIMOS.pak.local sun.pak.local Exchange Web Services Failure 24 DEIMOS.pak.local Availability Service Skipped 0 DEIMOS.pak.local sun.pak.local Offline Address Book Failure 6 DEIMOS.pak.local deimos.pak.local Autodiscover: Outlook Provider Failure 4 DEIMOS.pak.local deimos.pak.local Exchange Web Services Failure 23 DEIMOS.pak.local Availability Service Skipped 0 DEIMOS.pak.local deimos.pak.local Offline Address Book Failure 4 When i used just Test-Outlookwebservices i got "Unable to to find the client access monitoring user". Windows Firewall is disabled. I have Eset Email Security but i checked with turned off. Next check. Get-WebServicesVirtualDirectory | fl Identity,auth Identity : DEIMOS\EWS (Default Web Site) CertificateAuthentication : InternalAuthenticationMethods : {Ntlm, WindowsIntegrated, WSSecurity, OAuth} ExternalAuthenticationMethods : {Ntlm, WindowsIntegrated, WSSecurity, OAuth} LiveIdNegotiateAuthentication : WSSecurityAuthentication : True LiveIdBasicAuthentication : False BasicAuthentication : False DigestAuthentication : False WindowsAuthentication : True OAuthAuthentication : True AdfsAuthentication : False Any ideas for resolution ? I can not add new outlook clients desktop, and i had disconnected Macs with outlook after updated CU. [1]: /answers/storage/attachments/77991-exchange1.jpg [2]: /answers/storage/attachments/77937-exchange2.jpg [3]: /answers/storage/attachments/77897-exchange3.jpg [4]: /answers/storage/attachments/77955-exchange4.jpg [5]: /answers/storage/attachments/78001-exchange5.jpg [6]: /answers/storage/attachments/78002-exchange6.jpg Please help me, any ideas ? Whats is wrong ?







