Microsoft Exchange Server computer has failed. The MAPI provider failed.

[Bodhost-Andy]

Error: Connecting to destination server. cn=newuser,,CN=Users,DC=regency,DC=com The attempt to log on to the Microsoft Exchange Server computer has failed. The MAPI provider failed. Microsoft Exchange Server Information Store ID no: 8004011d-0512-00000000

Above error message can come when you use the Active directory and snap in to migrate Exchange 2003 user from one server to another server That error comes because migrate mailboxs can't log on to the system attendant mailbox.
The system attendant mailbox usually on the default mailbox store.

Solution :-Default mailbox store should be mounted.

You can use following steps to mount mailboxes in Exchange server 2003

1.Click on Start -> Click Programs -> Microsoft Exchange -> System Manager.

2.Open the First Organization -> Servers -> ComputerName -> First Storage Group.

3.Inspect the icon Mailbox Store. If there is a red X on the icon, you need to mount the mailbox store. (If there is no red X skip to step 5.)

4.Right-click on Mailbox Store and select Mount Store. This will mount the private mailbox store.

5.To verify that the store has been mounted, right-click on Mailbox Store. Select Refresh. This will allow you to open the item and display the user mailbox names.

6.Inspect the icon Public Folder Store. If there is a red X on the icon, you need to mount the public folder store. (If there is no red X skip to step 8.)

7.Right-click on Public Folder Store and select Mount Store. This will mount the public folder store.

8.To verify that the public store has been mounted, right-click on Public Folder Store. Select Refresh. This will allow you to open the item and display the public folder names.

[PeterWatts]

Hi Andy, found this thread to be much technical! To be frank I didn't understand anything I don't know much about technical things. However just at the beginner stage I am and trying to grab the knowledge! Could you please let me know what actually is MAPI? How does it work?

I have many newbie questions related to this thread however can't put all of them here. Hammering

[Bodhost-Andy]

Originally Posted by PeterWatts

Hi Andy, found this thread to be much technical! To be frank I didn't understand anything I don't know much about technical things. However just at the beginner stage I am and trying to grab the knowledge! Could you please let me know what actually is MAPI? How does it work?

I have many newbie questions related to this thread however can't put all of them here. Hammering

Hey,
Exchange server is a very big,hard but interesting collaborative software which is developed by Microsoft.There are four versions has been released yet
Exchange server 5 ,Exchange server 2000,Exchange server 2003 and Exchange server 2007 .
portable access ,Shared calendar and public folder are the very important features in Exchange Server.....

As per your question I have answered your question regarding MAPI so please and let me know if you have any more question
MAPI called Messaging Application Programming Interface a system built into Microsoft Windows. MAPI is a Microsoft Windows program interface that enables you to send e-mail from within a Windows application and attach the document you are working on to the e-mail note.

[BodShane]

Originally Posted by Bodhost-Andy

Hey,
Exchange server is a very big,hard but interesting collaborative software which is developed by Microsoft.There are four versions has been released yet
Exchange server 5 ,Exchange server 2000,Exchange server 2003 and Exchange server 2007 .
portable access ,Shared calendar and public folder are the very important features in Exchange Server.....

As per your question I have answered your question regarding MAPI so please and let me know if you have any more question
MAPI called Messaging Application Programming Interface a system built into Microsoft Windows. MAPI is a Microsoft Windows program interface that enables you to send e-mail from within a Windows application and attach the document you are working on to the e-mail note.

Andy,

What we see here is the working of Exchange Server within framework of windows environment and applications. Major Organizations are setup on Exchange Server Infrastructure which is definitely advantageous.

[PeterWatts]

Originally Posted by Bodhost-Andy

Hey,
Exchange server is a very big,hard but interesting collaborative software which is developed by Microsoft.There are four versions has been released yet
Exchange server 5 ,Exchange server 2000,Exchange server 2003 and Exchange server 2007 .
portable access ,Shared calendar and public folder are the very important features in Exchange Server.....

As per your question I have answered your question regarding MAPI so please and let me know if you have any more question
MAPI called Messaging Application Programming Interface a system built into Microsoft Windows. MAPI is a Microsoft Windows program interface that enables you to send e-mail from within a Windows application and attach the document you are working on to the e-mail note.

hmmm

Andy, now I am confused. If MAPI is a program that enables us to send emails.... and Exchange Server is used for portable access, shared calendar and public folder then how MAPI is related with Exchange Server. :confused:

[Bodhost-Andy]

Originally Posted by PeterWatts

hmmm

Andy, now I am confused. If MAPI is a program that enables us to send emails.... and Exchange Server is used for portable access, shared calendar and public folder then how MAPI is related with Exchange Server. :confused:

Hey nice question Peter
Exchange is a windows mail server and MAPI is a peace of Microsoft programming that include in Exchange server.MAPI allows a user to manage emails.It allows to enables you to send e-mail from within a Windows application and attach the document you are working on to the e-mail note MAPI usually consist of a “Send Mail” button or a “Send” tab found in the “File” menu. Clicking one of these options sends a user’s request to a MAPI server. MAPI includes a set of standard functions written in the C programming language. These functions are stored in a DLL (Dynamic Link Library). Web programmers using ASP (Active Server Pages) are able to access a MAPI library by way of Microsoft’s CDO (Collaboration Data Objects). Eudora is a popular email client that works with a MAPI server. This type of server is easily activated and configured. MAPI can be set to remain active or active only when Eudora is functioning. Other applications such as Microsoft Exchange, may require that MAPI be turned off when in use.

[angelad]

Originally Posted by Bodhost-Andy

Hey nice question Peter
Exchange is a windows mail server and MAPI is a peace of Microsoft programming that include in Exchange server.MAPI allows a user to manage emails.It allows to enables you to send e-mail from within a Windows application and attach the document you are working on to the e-mail note MAPI usually consist of a “Send Mail” button or a “Send” tab found in the “File” menu. Clicking one of these options sends a user’s request to a MAPI server. MAPI includes a set of standard functions written in the C programming language. These functions are stored in a DLL (Dynamic Link Library). Web programmers using ASP (Active Server Pages) are able to access a MAPI library by way of Microsoft’s CDO (Collaboration Data Objects). Eudora is a popular email client that works with a MAPI server. This type of server is easily activated and configured. MAPI can be set to remain active or active only when Eudora is functioning. Other applications such as Microsoft Exchange, may require that MAPI be turned off when in use.

Microsoft is good at confusing people and creating their own terminology to stay differentiated, and thus making themselves less user friendly. Not necessary in most cases.