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Mapi always prompt credentials popup, even I input right information, then cannot get anythings from exchange RRS feed

  • Question

  • I am trying to wring a program which is using mapi to get mail form exchange server. However, some day, the program have some problem -- credentials popup. Even I input right information, it keep prompt. After I input three or four times, it's gone. But it still cannot get anythings form exchange server.

    Moreover, when I try to use MFCMAPI, the login window still will prompt.

    Can someone help me to solve this?
    ---------------------------------------------
    MAPI CDO Version: 6.5.8353
    ---------------------------------------------
    get-outlookanywhere | fl

    RunspaceId : 4d9fdfbb-1f01-47fb-bb65-3cbc7cbe6c90
    ServerName : XXXX-YYY-MAIL
    SSLOffloading : False
    ExternalHostname : mail.xxx.hk
    InternalHostname : mail.xxx.hk
    ExternalClientAuthenticationMethod : Negotiate
    InternalClientAuthenticationMethod : Ntlm
    IISAuthenticationMethods : {Basic, Ntlm, Negotiate}
    XropUrl :
    ExternalClientsRequireSsl : True
    InternalClientsRequireSsl : True
    MetabasePath : IIS://Xxxx-YYY-Mail.XXX.local/W3SVC/1/ROOT/Rpc
    Path : C:\Program Files\Microsoft\Exchange Server\V15\FrontEnd\HttpProxy\rpc
    ExtendedProtectionTokenChecking : None
    ExtendedProtectionFlags : {}
    ExtendedProtectionSPNList : {}
    AdminDisplayVersion : Version 15.0 (Build 1473.3)
    Server : XXXX-YYY-MAIL
    AdminDisplayName :
    ExchangeVersion : 0.20 (15.0.0.0)
    Name : Rpc (Default Web Site)
    DistinguishedName : CN=Rpc (Default Web
    Site),CN=HTTP,CN=Protocols,CN=XXXX-YYY-MAIL,CN=Servers,CN=Exchange Administrative
    Group (FYDIBOHF23SPDLT),CN=Administrative Groups,CN=XXXX,CN=Microsoft
    Exchange,CN=Services,CN=Configuration,DC=XXXX,DC=local
    Identity : XXXX-YYY-MAIL\Rpc (Default Web Site)
    Guid : c877cde9-88e2-47f2-af3f-c0a7a1bab224
    ObjectCategory : XXXX.local/Configuration/Schema/ms-Exch-Rpc-Http-Virtual-Directory
    ObjectClass : {top, msExchVirtualDirectory, msExchRpcHttpVirtualDirectory}
    WhenChanged : 08/04/2019 14:25:14
    WhenCreated : 20/03/2015 12:46:27
    WhenChangedUTC : 08/04/2019 13:25:14
    WhenCreatedUTC : 20/03/2015 12:46:27
    OrganizationId :
    Id : XXXX-YYY-MAIL\Rpc (Default Web Site)
    OriginatingServer : Xxxx-Yyy-dc11.XXXX.local
    IsValid : True
    ObjectState : Changed---------------------------------------------

    Please help me.
    • Moved by Ed CrowleyMVP Wednesday, May 8, 2019 9:32 PM Better match
    Wednesday, May 8, 2019 4:28 PM

All replies

  • I am moving this thread to the Development forum.

    Ed Crowley MVP "There are seldom good technological solutions to behavioral problems."
    Celebrating 20 years of providing Exchange peer support!

    Wednesday, May 8, 2019 9:31 PM