| Similar to other software, occurrence of the | | | | file system then on completion of the job. At |
| error messages is not an exception in the | | | | this point of time, if some hardware device |
| Exchange Server. Few of them are indicative | | | | driver or hardware is faulty then this may |
| of the database corruption while few of them | | | | acknowledge a complete operation but in |
| just show a mere malfunction, fixable through | | | | actual this may not have been done properly |
| the simple procedures. But those which show | | | | and thus leading to the database corruption. |
| the corruption in the Exchange server need a | | | | |
| help of Exchange Server recovery and one of | | | | The mentioned error message is a result of |
| such log error is mentioned below: | | | | the un-matching of the checksum value of the |
| | | | page header to that being returned by the |
| Event ID: 23 | | | | READ call, when some database operation |
| | | | related to reading the data is performed. |
| Source: EDB | | | | |
| | | | Solution |
| Type: Error | | | | |
| | | | To combat the present situation, Microsoft |
| Category: Database Page Cache | | | | has suggested to restore from the last backup |
| | | | or to use the Edbutil.exe utility. Some of |
| Description: MSExchangeIS ((455)) Direct read | | | | the users may find it hard or even impossible |
| found corrupted page error -1018 ((1:251563) | | | | to adopt the mentioned solution in case if |
| (0-2295758), 251563 379225672 381322824). | | | | the backup is not complete and the |
| Please restore the database from a previous | | | | vulnerabilities attached to the incorrect |
| backup. | | | | usage of the utility. So the last option left |
| | | | out is to have exchange server recovery via |
| This error message is related to the JET | | | | the help of specialized software. |
| database operation, on which the MS Exchange | | | | |
| Server like products has been built, which | | | | These software are termed as Exchange |
| results into 1018 (JET_errReadVerifyFailure) | | | | recovery software and perform the EDB repair |
| error. | | | | without any regard to the cause of the |
| | | | corruption. The software run the most |
| Root of the Problem | | | | powerful algorithms to scan the corrupted EDB |
| | | | file and then end up at Exchange Server |
| This problem is encountered when some | | | | recovery at the maximum. |
| transactions are made. During this the | | | | |
| information store of the Exchange Server | | | | Stellar Phoenix Mailbox Exchange Recovery is |
| writes these transactions to a transaction | | | | the most developed and advanced utility which |
| log file prior to it is committed to the | | | | is applicable in each case of corruption. |
| database. A value called page's checksum | | | | This EDB recovery software can be used for |
| value is calculated which is aimed to be | | | | Microsoft Exchange Server 5.5, 2000 and 2003. |
| written in the page header. | | | | |
| | | | The software comes packed with an easy to use |
| After this a request is made to the file | | | | interface which makes the functioning of the |
| system to write the data on the disk, which | | | | software quite easier. You can have Exchange |
| is again forwarded to the hardware device | | | | recovery for any type of messages, contacts, |
| driver. An acknowledgement is sent to the | | | | tasks and other Exchange Server objects. |