EDIT 9/19/2023: This blog post has received significant update.
In this second part of the Demystifying Hybrid Free/Busy, we will cover troubleshooting of Hybrid Free/Busy scenarios, more specifica...
Updated Sep 19, 2023
Version 16.0
Blog Post
Mirela_Buru Thank you very much!
Users in exchange 2007 can see free busy information amoung user in exchange 2007.
User in exchange 2007 can see free busy information users exchange 2013.
Only users exchange 2013 cant seee frre busy information user exchange 2007.
EWS autentication exchange 2013: Default and Back End site
[PS] C:\Windows\system32>Get-WebServicesVirtualDirectory -server smxpoa05 | fl InternalUrl,ExternalUrl,Identity,Name,*au
th* | fl
Creating a new session for implicit remoting of "Get-WebServicesVirtualDirectory" command...
InternalUrl : https://mail.teste1.com.br/ews/exchange.asmx
ExternalUrl : https://mail.teste1.com.br/ews/exchange.asmx
Identity : servidor1\EWS (Default Web Site)
Name : 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
[PS] C:\Windows\system32>Get-WebServicesVirtualDirectory -ShowMailboxVirtualDirectories -Server smxpoa05 | fl
RunspaceId : ca5a7de9-75a2-4fdb-97f2-284da2ac5af2
CertificateAuthentication :
InternalNLBBypassUrl : https://mail.teste1.local:444/ews/exchange.asmx
GzipLevel : High
MRSProxyEnabled : False
Name : EWS (Exchange Back End)
InternalAuthenticationMethods : {Ntlm, WindowsIntegrated, WSSecurity}
ExternalAuthenticationMethods : {Ntlm, WindowsIntegrated, WSSecurity}
LiveIdNegotiateAuthentication :
WSSecurityAuthentication : True
LiveIdBasicAuthentication : False
BasicAuthentication : False
DigestAuthentication : False
WindowsAuthentication : True
OAuthAuthentication : False
AdfsAuthentication : False
EWS autentication exchange 2007: Default
Get-WebServicesVirtualDirectory
-server smxpoa01 | fl InternalUrl,ExternalUrl,Identity,Name,*auth* | fl
InternalUrl : https://legacy.teste1.com.br/EWS/Exchange.asmx
ExternalUrl : https://legacy.teste1.com.br/EWS/Exchange.asmx
Identity : SMXPOA01\EWS (Default Web Site)
Name : EWS (Default Web Site)
InternalAuthenticationMethods : {Basic, Ntlm, WindowsIntegrated}
ExternalAuthenticationMethods : {Basic, Ntlm, WindowsIntegrated}
BasicAuthentication : True
DigestAuthentication : False
WindowsAuthentication : True
In my logs iis 2007 and 2013 i found:
Log IIS 2007:
C:\WINDOWS\system32\LogFiles\HTTPERR
2020-11-09 19:42:28 10.63.78.187 53295 10.63.70.231 443 HTTP/1.1 RPC_IN_DATA /rpc/rpcproxy.dll?SMXPOA04.teste1.local:6001 400 1 BadRequest DefaultAppPool
2020-11-09 19:42:28 170.233.237.115 16855 10.63.70.231 443 - - - - - Timer_ConnectionIdle -
2020-11-09 19:42:32 10.63.51.188 59668 10.63.70.231 443 - - - - - Timer_ConnectionIdle -
2020-11-09 19:42:34 10.63.78.185 56960 10.63.70.231 443 HTTP/1.1 RPC_IN_DATA /rpc/rpcproxy.dll?SMXPOA03.teste1.local:6001 400 1 BadRequest DefaultAppPool
2020-11-09 19:42:34 10.63.78.186 22997 10.63.70.231 443 HTTP/1.1 RPC_IN_DATA /rpc/rpcproxy.dll?SMXPOA03:6001 400 1 BadRequest DefaultAppPool
Log IIS 2013:
C:\Windows\System32\LogFiles\HTTPERR
2020-11-09 20:52:43 10.63.78.185 19986 10.63.78.185 444 HTTP/1.1 RPC_IN_DATA /rpc/rpcproxy.dll?smxpoa05.teste1.local:6001 400 2 Connection_Dropped MSExchangeRpcProxyAppPool
2020-11-09 20:52:43 10.63.75.43 50880 10.63.78.185 443 HTTP/1.1 POST /Microsoft-Server-ActiveSync?User=abiliolima&DeviceId=7QULD3E1SP1FR5ERG8Q5IHK68G&DeviceType=iPhone&Cmd=Ping - 1 Connection_Dropped MSExchangeSyncAppPool
2020-11-09 20:52:43 10.63.75.43 50908 10.63.78.185 443 HTTP/1.1 POST /Microsoft-Server-ActiveSync?eQAWBBAl2wZcQIhAIrRyDVtNyO9ABOj7SokLV2luZG93c01haWw= - 1 Connection_Dropped MSExchangeSyncAppPool
For me i am very confused because i found only event id exchange 2013:
Process 15040: ProxyWebRequest CrossSite from S-1-5-21-190996285-3174742192-1521001504-11052 to https://mail.teste1.com.br:443/EWS/Exchange.asmx failed. Caller SIDs: NetworkCredentials. The exception returned is Microsoft.Exchange.InfoWorker.Common.Availability.ProxyWebRequestProcessingException: Proxy web request failed. ---> System.Net.WebException: The request failed with HTTP status 401: Unauthorized.
Any idea?