RE: Problems with Mailboxrights property of the IExchangeMailbox inter
- From: "Bjørn Terje Svennes" <BjrnTerjeSvennes@xxxxxxxxxxxxxxxxxxxxxxxxx>
- Date: Wed, 8 Jun 2005 03:02:15 -0700
I've also discovered that the "Active Directory Users and Computers" fails
for the Exchange Extension, when I'm logged on to the server where the code
runs using the domain administrator account. Sometimes I recieve the
c00706ba: "The RPC server is unavailable" error. I always recieve the
80004005: "The operation failed" error. What could cause this?
"Bjørn Terje Svennes" wrote:
> I'm using the DirectoryEntry object to retrieve users from AD. This works
> very well. Then I type cast the object to IExchangeMailbox interface, which
> also succeeds. But when trying to retrieve the MailboxRights property, the
> call fails with "The server is not operational". I've tried various
> approaches. Most has to do with how I build the LDAP path to the
> DirectoryEntry constructor:
>
> 1) DirectoryEntry de = new
> DirectoryEntry("LDAP://serverDNS/ou=users,dc=domain,dc=com";, userName,
> passWord, AuthenticationTypes.Secure | AuthenticationTypes.Delegation);
>
> This fails with "The server is not operational".
>
> 2) DirectoryEntry de = new
> DirectoryEntry("LDAP://serverDNS/ou=users,dc=domain,dc=com";, userName,
> passWord, AuthenticationTypes.Secure);
>
> This fails with "Access denied" from Interop.CDOEXM.
>
> 3) DirectoryEntry de = new
> DirectoryEntry("LDAP://ou=users,dc=domain,dc=com";, userName, passWord,
> AuthenticationTypes.Secure | AuthenticationTypes.Delegation);
>
> This fails with "A referral was returned from the server".
>
> 4) DirectoryEntry de = new DirectoryEntry("GC://ou=users,dc=domain,dc=com",
> userName, passWord, AuthenticationTypes.Secure |
> AuthenticationTypes.Delegation);
>
> This fails with "Unknown username or password". Combinations similar to 1)
> and 2) (with GC instead of LDAP) gives the same results as 1) and 2).
>
>
>
> The user is a domain admin so access should not be a problem. When I'm not
> using AuthenticationTypes.Delegation, I guess the security context is lost
> for successiv calls on the DirectoryEntry object (not really sure what this
> flag means).
>
> The problem might have something to do with the network infrastructure. The
> code is running on a server in Domain1 (Server1). The server DNS I'm
> connecting to in AD points to a server in Domain2 (Server2). The Exchange
> 2000 server however is on a different server in Domain2 (Server3). But since
> Server2 to is a Global Catalog and a Domain Controller this shouldn't be a
> problem. Or? We cannot access the Exchange 2000 server directly. Is this
> required for the CDOEXM to work?
.
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- From: Bjørn Terje Svennes
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