| Among other reasons, one of the most common | | | | Outlook and Microsoft Exchange Server |
| reasons that can prevent an Outlook user from | | | | 4.Corrupted Exchange Server database |
| sending and receiving e-mails is Exchange Server | | | | User Action |
| database corruption. In such circumstances, the | | | | If you encounter the stated problem, you should |
| Exchange administrator should immediately | | | | consider implementing the following measures: |
| restore the database from last available backup, | | | | 1.Modify the security settings if Microsoft Outlook |
| failing which raise the requirements of using | | | | 2003 installation in Exchange 2003 Server or |
| suitable Exchange Server Recovery utilities. | | | | domain controller is the issue. For this, change the |
| For better illustration, consider a case of a | | | | security settings from 'log on network security' to |
| Microsoft Outlook user who tries to send or | | | | 'Kerberos'. |
| receive an e-mail message and Outlook is | | | | 2.If Outlook profile is corrupted, you can recreate |
| configured to use Microsoft Exchange Server. | | | | the profile and delete the affected one |
| When he/she tries to do so, one of the below | | | | 3.You should check the compatibility of your |
| mentioned error messages is received: | | | | antivirus software with Microsoft Outlook 2003 |
| "Task 'Microsoft Exchange Server' reported error | | | | and Microsoft Exchange Server 2003. Also, you |
| (0x8004011B): 'Unknown error 0x8004011B" | | | | can disable all antivirus programs running at server |
| As a result of this error message, Outlook user | | | | and client ends. In case of firewall issues, you |
| can no longer send or receive more e-mails. | | | | might need to enable static port mapping. |
| Explanation | | | | 4.In case of Exchange database corruption |
| The above issue is most likely to occur in any of | | | | problem, run Eseutil and Isinteg utilities after taking |
| the following situations: | | | | a complete backup. If this doesn't help, you need |
| 1.You have installed Microsoft Outlook 2003 on | | | | to use a third-party Exchange Recovery Tool. |
| Exchange 2003 Server or domain controller | | | | Running an Exchange Server Recovery software |
| 2.Microsoft Outlook profile is damaged | | | | can help you extract database content in a |
| 3.An antivirus software or firewall is running that | | | | readable format. |
| has prevented the connection of Microsoft | | | | |