To specify the Outlook as Default Mail Client follows the steps.

Internet Explorer 4.0, 4.01, 5 for Windows 95/98 and Windows NT 4.0
1. In My Computer, click Options (or Folder Options) on the View menu, and then click File Types.
2. Click the URL:MailToProtocol line to select it, click Edit, click Open in the Actions box, and then click Edit. Click the Application Used To Perform Action box and press DELETE to delete the data in the box.
3. Type the following single line for the Application Used To Perform Action box for the Open command:
C:\Program Files\Microsoft Office\Office\OUTLOOK.EXE" -c IPM.Note /m "%1
NOTE: Type the quotation marks in the box.
4. To save the changes, click OK until you return to My Computer.
Internet Explorer 4.0 for Windows 3.1
1. In Internet Explorer, click Internet Options on the View menu, click the Programs tab, and then click File Types.
2. Click the URL:MailToProtocol line to select it, click Edit, click Open in the Actions box, and then click Edit. Click the Application Used To Perform Action box and press DELETE to delete the data in the box.
3. Type the following line for the Application Used To Perform Action box for the Open command:
C:\OUTLOOK\EXCHNG.EXE /m
4. To save the changes, click OK until you return to Internet Explorer.

Internet Explorer 3.0
1. In Internet Explorer, click Options on the View menu, click the Programs tab, and then click File Types.
2. Click the URL:MailToProtocol line to select it, click Edit, click Open in the Actions box, and then click Edit. Click the Application Used To Perform Action box and press DELETE to delete the data in the box.
3. Type the following single line for the Application Used To Perform Action box for the Open command:
C:\Program Files\Microsoft Office\Office\OUTLOOK.EXE" -c IPM.Note /m "%1
NOTE: Type the quotation marks in the box.
4. To save the changes, click OK until you return to Internet Explorer.

Outlook Error 'Could not load an object'

Posted by Jonh Monday, November 10, 2008 0 comments

When you try to open an item in one of the Microsoft Outlook programs that are listed in the "Applies to" section, you may receive the following error message:
Could not load an object because it is not available on this machine.

There is a reference to an ActiveX control in the item's form, and you do not have the appropriate library files for that control registered and installed on your computer.

To resolve this behavior use either of these two methods.

Method 1
Click OK to the error message. The item should open without displaying the problem control.

Method 2
Contact the author of the form to determine how to install and register the control on your computer. This method may involve installation of an additional program that provides the control.

I hope it is useful for Outlook Support...

Outlook POP3 Error And SMTP Error

Posted by Jonh Wednesday, November 5, 2008 7 comments

POP3 Errors

Problems that occur with Post Office Protocol 3 (POP3) will affect the receipt and download of your emails. You may receive any of the following error messages when MSEO experiences POP3 issues:

0x800420CB: Mail cannot be stored on server
0x800CCC90: Client response invalid
0x800CCC91: Invalid user name or user not found
0x800CCC92: Password not valid for account.
0x800CCC93: Unable to interpret response.
0x800CCC94: Command required.
0x800CCC95: No messages on server.
0x800CCC96: No messages marked for retrieval.
0x800CCC97: Message ID out of range.

POP3 errors usually occur as a result of a temporary glitch, a file corruption, or because of incorrect account details.
Check to be sure that your connection details are correct. You may have changed you account details recently and failed to note those changes in MSOE or perhaps you have initiated “caps lock” while entering your case-sensitive password. The easiest way to see if your connection details are correct is to use window’s Telnet program. This will verify whether your details are incorrect or if the error is related to another MSOE issue.

To use Telnet click “start” and choose “run”. In the prompt window, type cmd (when using Windows NT, 2000 or XP) or type command (when using Windows 95, 98 or ME). In the new window type telnet 110 then click “enter”.

At this point, you should be connected to the mail server and you should receive a response “+OK Hello there”. This response confirms that you are connected to the mail server. Type, user and hit “enter”. If the username is correct, you should get the following message “+OK Password required”. Type, pass and hit “enter”. If the password is correct, the mail server will say, “+OK Well done”.

SMTP Errors

Problems that occur with Simple Mail Transfer Protocol (SMTP) will affect your ability to send emails. You may receive any of the following error messages when MSEO experiences POP3 issues:

0x800CCC60: Invalid response.
0x800CCC61: Unknown error code.
0x800CCC62: Syntax error returned.
0x800CCC63: Parameter syntax incorrect.
0x800CCC64: Command not implemented.
0x800CCC65: Improper command sequence.
0x800CCC66: Command not implemented.
0x800CCC67: Command not available.
0x800CCC68: Mailbox is locked and busy.
0x800CCC69: Mailbox not found.
0x800CCC6A: Error processing request.
0x800CCC6B: User mailbox is known, but mailbox not on this server.
0x800CCC6C: No space to store messages.
0x800CCC6D: Storage limit exceeded.
0x800CCC6E: Invalid mailbox name syntax.
0x800CCC6F: Transaction failed.
0x800CCC78: Unknown sender.
0x800CCC79: Server rejected recipients.
0x800CCC7A: No sender address specified.
0x800CCC7B: No recipients specified.

STMP problems often occur because of a temporary glitch. However, it is possible that the outgoing mail server address is incorrect. Verify that your outgoing mail server address is correct. This is the first thing you should check.

If your outgoing mail server address is correct, test your access to port 25 and see if your email is being blocked, using a telnet client. If you can connect to the outgoing mail server through port 25, this will confirm that the issue is with the application itself or your settings.

To use Telnet click “start” and choose “run”. In the prompt window, type cmd (when using Windows NT, 2000 or XP) or type command (when using Windows 95, 98 or ME). In the new window type telnet 25 then click “enter”.

At this point, you should be connected to the mail server and you should receive a response that begins with “220”, which confirms that port 25 is open. If you do not receive the “220” response, either the mail server is not functioning properly, you're not connected to the Internet or something on your system is blocking port 25.

When you try to check your email, you get the following error message:

There was a problem logging onto your mail server. Your User Name was rejected. Account: 'pop3.example.com', Server: 'pop3.example.com', Protocol: POP3, Server Response: '-ERR', Port: 110, Secure(SSL): No, Server Error: 0x800CCC90.

SYMPTOMS
When you try to log on to Microsoft Exchange Server with Outlook Express by using Secure Password Authentication, you may see the following error messages in Microsoft Outlook Express. Look in the Details of the Error tab after failing to connect.
* Unable to logon to the server using Distributed Password Authentication.
Account:'Company POP3 Server Accnt.',
Server: 'server.company.com',
Protocol: POP3,
Server Response: '-ERR The AUTH protocol exchange was canceled by the client.',Port: 110, Secure(SSL): NO, Server Error: 0x800ccc90, Error Number: 0x800ccc18
On the Exchange Server computer you will see the following Event IDs:
Application event log error:
13005 MSExchange Pop3 Authentication
Logon attempt by NTDomian\User from 157.57.148.24 to NtDomain/User has failed: EcGetMailboxDN() call failed with error The requested mailbox is not available on this server.

11310 MSExchange Pop3 Authentication
The following error occurred: The requested mailbox is not available on this server.

Cause:

* Incorrect Email settings.
* Incorrect scan settings on anti-virus software (if any).
* Corrupted account settings.

Solution

In Outlook Express, try using Clear Text, which is the Log on using option under the Servers tab of the mail account.
To do so:
1. On the Tools menu, click Accounts. This will bring up several tabs.
2. If you select any listed mail account, the properties will have a Servers tab with the Log on using option.
3. Select the Clear Text option.
If this works, then you were trying to access a non-existent mailbox or the wrong mailbox. If this does not work, then the administrator needs to check for and remove the custom recipient.

1. Check your Outlook Express settings.
2. Repair and Recover Outlook Express.

MORE INFORMATION

When a user tries to log on to Exchange Server with Outlook Express and Secure Password Authentication, the client will pass the credentials of the user logged on to the workstation. If the logon works using the Clear Text option: , the user will have to change his or her mailbox alias to the Windows NT account name in order to use Secure Password Authentication. This is because Secure Password Authentication will not pass the mailbox alias information. It defaults to and Exchange Server assumes the alias to be the Windows NT account.

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