Outlook Error Messages

Most common errors


0x800CCC00
- Authentication did not load
Solution: You can try with restarting your computer or creating a new account in your Outlook because the account is corrupted.

0x800CCC01 , 0x800CCC02 - Invalid Security Certificate for Incoming or Outgoing server
Solution: SSL Certificate of mail server is expired.

0x800CCC03,0x800CCC04 - User already connected
Solution: Quit all session that you have and wait 10-20 minutes or recreated the account in your email client.

0x800CCC05, 0x800CCC06, 0x800CCC07, 0x800CCC08, 0x800CCC09 - Not connected to server
Solution: Check your Internet connection or if you are connecting to the right mail server.

0x800CCC0A - Message download incomplete
Solution: pop3uidl file is corrupted. Quit your mail client, find pop3uidl.dbx and rename it.

0x800CCC0B - Server or maildrop is busy
Solution: Mail server is hight loaded, try after a few minutes OR try with this fix.

0x800CCC0D, 0x800CCC0E - Cannot connect to server
Solution:  Check your Internet connection or if your port is blocked.

0x800CCC0F - Connection closed
Solution: Check your Internet Connection, firewall or antivirus software.

0x800CCC10 - Address not known on the server
Solution: Check if the email of the person that you send an email is correct.

0x800CCC11 - Mailing list not known on the server
Solution: Check if the email of the person that you send an email is correct.

0x800CCC12, 0x800CCC13, 0x800CCC14, 0x800CCC15 - Unable to send Winsock request
Solution: Restart your computer or reinstall TCP/IP protocol

0x800CCC16 - User account not recognized
Solution: Check username and password of the account or readd it in your email client.

0x800CCC17 - User canceled operation
Solution: pop3uidl file is corrupted. Quit your mail client, find pop3uidl.dbx and rename it.

0x800CCC18 - Logon attempt failed

0x800CCC19 - Not available/Timeout
Solution: Check your Internet Connection, firewall or antivirus software.

0x800CCC1A - Unable to connect by using Secure Sockets Layer (SSL)
Solution: Upgrade or Operation system or SSL to be 2048bits key.

Simple Mail Transfer Protocol (SMTP) errors

Error code Description
0x800CCC60 Invalid response
0x800CCC61 Unknown error code
0x800CCC62 Syntax error returned
0x800CCC63 Parameter syntax incorrect
0x800CCC64 Command not implemented
0x800CCC65 Incorrect 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 (This error occurs because you have the incorrect e-mail address in the Reply-To field)
0x800CCC79 Server rejected recipients
0x800CCC7A No sender address specified
0x800CCC7B No recipients specified
 

Internet Message Access Protocol (IMAP) errors

Error code Description
0x800CCCD1 Logon failed
0x800CCCD2 Message tagged
0x800CCCD3 Invalid response to request
0x800CCCD4 Syntax error
0x800CCCD5 Not an IMAP server
0x800CCCD6 Buffer limit exceeded
0x800CCCD7 Recovery error
0x800CCCD8 Incomplete data
0x800CCCD9 Connection not allowed
0x800CCCDA Unknown response
0x800CCCDB User ID has changed
0x800CCCDC User ID command failed
0x800CCCDD Unexpected disconnect
0x800CCCDE Invalid server state
0x800CCCDF Unable to authorize client
0x800CCCE0 No more authorization types

 
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