Outlook Error codes

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General Errors - Problems with the Outlook Express

Error Number Error Type Description

0x800CCC00 LOAD_SICILY_FAILED Authentication did not load
0x800CCC01 INVALID_CERT_CN Invalid certificate content
0x800CCC02 INVALID_CERT_DATE Invalid certificate date
0x800CCC03 ALREADY_CONNECTED User already connected
0x800CCC04 CONN N/A
0x800CCC05 NOT_CONNECTED Not connected to server
0x800CCC06 CONN_SEND N/A
0x800CCC07 WOULD_BLOCK N/A
0x800CCC08 INVALID_STATE N/A
0x800CCC09 CONN_RECV N/A
0x800CCC0A INCOMPLETE Message download incomplete
0x800CCC0B BUSY Server or incorrect domain on sender's email address
0x800CCC0C NOT_INIT N/A
0x800CCC0D CANT_FIND_HOST Cannot locate server
0x800CCC0E FAILED_TO_CONNECT Cannot connect to server
0x800CCC0F CONNECTION_DROPPED Connection closed
0x800CCC10 INVALID_ADDRESS Address not known on server
0x800CCC11 INVALID_ADDRESS_LIST Mailing list not known on server
0x800CCC12 SOCKET_READ_ERROR Unable to send Winsock request
0x800CCC13 SOCKET_WRITE_ERROR Unable to read Winsock reply
0x800CCC14 SOCKET_INIT_ERROR Unable to initialize Winsock
0x800CCC15 SOCKET_CONNECT_ERROR Unable to open Windows Socket
0x800CCC16 INVALID_ACCOUNT User account not recognized
0x800CCC17 USER_CANCEL User canceled operation
0x800CCC18 SICILY_LOGON_FAILED Logon attempt failed
0x800CCC19 TIMEOUT Timeout
0x800CCC1A SECURE_CONNECT_FAILED Unable to connect using SSL



POP3 Errors - Problems receiving mail
Error Number Error Type Description
0x800420CB POP3_NO_STORE Mail cannot be stored on server
0x800CCC90 POP3_RESPONSE_ERROR Client response invalid
0x800CCC91 POP3_INVALID_USER_NAME Invalid user name or user not found
0x800CCC92 POP3_INVALID_PASSWORD Password not valid for account.
0x800CCC93 POP3_PARSE_FAILURE Unable to interpret response.
0x800CCC94 POP3_NEED_STAT STAT Command required.
0x800CCC95 POP3_NO_MESSAGES No messages on server.
0x800CCC96 POP3_NO_MARKED_MESSAGES No messages marked for retrieval.
0x800CCC97 POP3_POPID_OUT_OF_RANGE Message ID out of range.



SMTP Errors - Problems sending mail
Error Number Error Type Description
0x800CCC60 SMTP_RESPONSE_ERROR Invalid response.
0x800CCC61 SMTP_UNKNOWN_RESPONSE_CODE Unknown error code.
0x800CCC62 SMTP_500_SYNTAX_ERROR Syntax error returned.
0x800CCC63 SMTP_501_PARAM_SYNTAX Parameter syntax incorrect.
0x800CCC64 SMTP_502_COMMAND_NOTIMPL Command not implemented.
0x800CCC65 SMTP_503_COMMAND_SEQ Improper command sequence.
0x800CCC66 SMTP_504_COMMAND_PARAM_NOTIMPL Command not implemented.
0x800CCC67 SMTP_421_NOT_AVAILABLE Command not available.
0x800CCC68 SMTP_450_MAILBOX_BUSY Mailbox is locked and busy.
0x800CCC69 SMTP_550_MAILBOX_NOT_FOUND Mailbox not found.
0x800CCC6A SMTP_451_ERROR_PROCESSING Error processing request.
0x800CCC6B SMTP_551_USER_NOT_LOCAL User mailbox is known, but mailbox not on this server.
0x800CCC6C SMTP_452_NO_SYSTEM_STORAGE No space to store messages.
0x800CCC6D SMTP_552_STORAGE_OVERFLOW Storage limit exceeded.
0x800CCC6E SMTP_553_MAILBOX_NAME_SYNTAX Invalid mailbox name syntax.
0x800CCC6F SMTP_554_TRANSACT_FAILED Transaction failed.
0x800CCC78 SMTP_REJECTED_SENDER Unknown sender. ( incorrect e-mail address in the Reply-To field.)
0x800CCC79 SMTP_REJECTED_RECIPIENTS Server rejected recipients.
0x800CCC7A SMTP_NO_SENDER No sender address specified.
0x800CCC7B SMTP_NO_RECIPIENTS No recipients specified.


IMAP Errors - Problems using IMAP services
Error Number Error Type Description
0x800CCCD1 IMAP_LOGINFAILURE Login failed.
0x800CCCD2 IMAP_TAGGED_NO_RESPONSE Message tagged.
0x800CCCD3 IMAP_BAD_RESPONSE Invalid response to request.
0x800CCCD4 IMAP_SVR_SYNTAXERR Syntax error.
0x800CCCD5 IMAP_NOTIMAPSERVER Not an IMAP server.
0x800CCCD6 IMAP_BUFFER_OVERFLOW Buffer limit exceeded.
0x800CCCD7 IMAP_RECVR_ERROR Recovery error.
0x800CCCD8 IMAP_INCOMPLETE_LINE Incomplete data.
0x800CCCD9 IMAP_CONNECTION_REFUSED Connection not allowed.
0x800CCCDA IMAP_UNRECOGNIZED_RESP Unknown response.
0x800CCCDB IMAP_CHANGEDUID User ID has changed.
0x800CCCDC IMAP_UIDORDER User ID command failed.
0x800CCCDD IMAP_UNSOLICITED_BYE Unexpected disconnect.
0x800CCCDE IMAP_IMPROPER_SVRSTATE Invalid server state.
0x800CCCDF IMAP_AUTH_NOT_POSSIBLE Unable to authorize client.
0x800CCCE0 IMAP_OUT_OF_AUTH_METHODS No more authorization types.




Details of the problems and suggested remedies.


0x800CCC00 - Authentication did not load.
1 Reboot your computer and try again.
2 Check Service Status for mail problems.
3 Setup a new account in Outlook Express, re-entering your mail connection details. It is possible that your account has become corrupt.
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0x800CCC01 - Invalid certificate content. / 0x800CCC02 - Invalid certificate date.
Digital certification of encrypted emails can not be verified. Either your digital certificate is out-of-date or has been revoked. Get your certificate re-issued by your authority server or try recreating your mail profile.
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0x800CCC03 - User already connected
The mailserver believes that you are already logged into your mailbox:
1 Close all connections on all machines and wait 20 minutes to check again.
2 If you are not logged in on another computer then someone may be using/downloading from your account, or something is wrong with your account.
3 If the problem continues, recreate your mail profile.
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0x800CCC05 - Not connected to server
Outlook Express can't talk to the mailserver.
1 Check you are connected to the Internet (view a webpage). If you are connected, double-check your mailserver address.
2 If you can't view webpages, re-connect and try again.
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0x800CCC0A - Incomplete
1 This is a possible corruption of the pop3uidl file (which records what emails have been downloaded). Close your internet connection and all programs. Search for the file' pop3uid.dbx' and rename it to 'pop3uid.xxx'. Reconnect and try again.
2 If this doesn't work, reboot and try again.
3 It is possible that the mail waiting on the mailserver have been corrupted. This could be caused by a large file attachment, mail missing headers or broken in transit. For Pop3 mail you be view the contents of your mailbox by using Webmail. may be able to identify the problem and delete the email causing the problem. Your mail should then function properly.
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0x800CCC0B - Server busy or incorrect domain on sender's email address
1 The mailserver may be slowing down because of heavy email traffic. Wait 5 minutes and try again.
2 If the problem continues check the service status page to see if there is a known problem with email service.
3 Check your email settings and make sure you are using the correct format for your email address.br> -------------------


0x800CCC0D - Cannot locate server
Outlook Express can't see the mailserver.
1 Check you are connected to the Internet (view a webpage). If you are connected, double-check your mailserver address.
2 If you can't view webpages, re-connect and try again.
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0x800CCC0E - Cannot connect to server
Outlook Express can't talk to the mailserver.
1 Check you are connected to the Internet (view a webpage). If you are connected, double-check your mailserver address.
2 If you can't view webpages, re-connect and try again.
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0x800CCC0F - Connection closed
Your modem/network was disconnected. If this happens often with dialup, there may be noise on your phone line, you may need updated modem drivers, or an init string. With a network (broadband etc) the problem may be with your network hardware or drivers.
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0x800CCC10 - Address not known on server
Outlook Express can't deliver an email because the address appears invalid. Check your spelling of the address and try again. You will need to delete the old message from your outbox to stop the error from repeating whenever you try and send.
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0x800CCC11 - Mailing list not known on server
Outlook Express can't deliver to a mailing list, possibly because one of the email addresses isn't valid (check the spelling). Lots of mailing lists have restricted access, make sure that you are properly subscribed.
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0x800CCC12 / 0x800CCC13 / 0x800CCC14 / 0x800CCC15 - Winsock problems
This error usually means that a glitch has appeared in your network protocols which is making it impossible for Outlook Express to transmit data over the network. A common fix is to re-install TCP/IP. Sometimes just re-booting will get things running again.
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0x800CCC16 - User account not recognized
1 This error means that your username or password are wrong. Check they are right.
2 If they are not wrong, try setting up another identity with the same details. Sometimes accounts become corrupted, creating a new copy of your email account will fix the problem.
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0x800CCC17 - User canceled operation
This error occurs as a result of you pressing cancel during the sending and receiving of email. You may do this if it looked like the process had become jammed or was timing out.
If this problem continues, the file 'pop3uidl.dbx' that logs which emails have been received may have become corrupt. You can do a search for the file and rename it 'pop3uidl.xxx'. Then reboot your system and try again.
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0x800CCC18 - Logon attempt failed.
This simply means that Outlook Express was rejected when it tried to connect to your mailbox.
1 Check your account information (username, password, mailserver addresses)
2 Make sure your account is still active (try and login to the portal and check your mail using the Webmail tool)
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0x800CCC19 - Timeout
This error may be the result of a temporary glitch. try rebooting your system and trying again. If this problem continues, the file' pop3uidl.dbx' that logs which emails have been received may have become corrupt. You can do a search for the file and rename it 'pop3uidl.xxx'. Then reboot your system and try again.
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0x800CCC1A - Unable to connect using SSL
This error indicates a problem connecting using the Secure Socket Layer. Simply turn off SSL in the Outlook Express settings.
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General Errors- Applies to many of the errors on the above lists
The error may have been the result of an application error that may be fixed with a reboot. No further information is available though we recommend that you take a look at Microsoft's Knowledge Base regarding Outlook Express problems.
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POP3  Errors
Problems that occur with POP3 affect the download of your latest emails. These problems occur, either because of a temporary glitch, file corruption, or because your account details are incorrect.


Checking your connection details are correct
Have you changed your account details recently? Make sure that you are not using CAPS LOCK while entering a case sensitive password. There is a quick way to check that you are using the right password and username, by connecting to the internet and using a programme called a telnet client.

Telnet is program that allows you to access and talk to other computers, in this case you can pretend to be Outlook Express and talk directly to the mail server. This will allow you to see if it's your email account or Outlook Express that is at fault. This should work with most versions of windows, although in Windows Vista you will need to add Telnet manually or download a different telnet program, such as Putty.

1 Click the Start button, then RUN.
2 In the RUN prompt, type 'cmd'
3 In the new window, type 'telnet mail.<yourdomain> 110' then click enter. Take care in your typing as you may not see what you type so its easy to make a mistake. If you do, its best to start again.
4 You should be connected to the mail server - you should see the response "+OK Hello " which confirms the mail server is OK.
5 Type in 'user ' and hit the enter key (if your username was support you would type 'user support' ).
6 You will then get a message +OK Password required -type in 'pass< your password> and click the enter key (If your password was s$35nP  you would type 'pass s$35nP')
If it is correct, you will get an '+OK Well done' message. You are now in your mailbox and can be sure that your email account details are correct.
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SMTP  Errors

Problems that occur with SMTP affect your sending of emails. These problems can occur because of a temporary glitch (such as another programme blocking port 25, which is used by Outlook express to send emails. It is possible that the outgoing mailserver address is wrong. This is the first thing you should check.


Testing your access to port 25
You can check to see if your email is being blocked by using a telnet client. If you can connect to the outgoing mail server on port 25, this will confirm that your problem mostly likely lies with the Outlook Express application, or your settings. To do the test:
1 Click the Start button, then RUN.
2 In the RUN prompt, type 'cmd' .
3 In the new window, type 'telnet mail.<yourdomain>  25' then click enter. Take care in your typing as you may not see what you type so its easy to make a mistake. If you do, its best to start again.
4 You should be connected to the mail server - you should see a response that begins with "220." which confirms the port 25 is open. If you don't get the "220" response, either the mail server is not operating properly (check service status), you're not connected to the Internet or something on your system may be blocking port 25.

If you run your own mail server and don't limit access to it, our network engineers may have blocked your access to port 25. You will be contacted by support if this happens.
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IMAP  / Webmail Errors

IMAP allows Outlook Express to store emails on the mail server, allowing access to all your email, old and new from anywhere you can access email. Problems that occur with IMAP are mostly the same types of problems that occur with the more common POP3 mail system. If you were intentionally using the IMAP service, make sure that your settings are correct.
Because IMAP stores all your emails on the mail server it is possible that a corrupt email (often with large attachments etc) may be the cause of problems. If you think this has occurred, raise a ticket to our support. Our network engineers will then investigate further.
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