| For the reason that Microsoft Exchange Server | | | | stores. This is the patch file that ensures backing |
| mainly acts as a mailbox server, backing up the | | | | up of pages modified while backup is running. |
| database regularly is the key to deal with disaster | | | | 2. |
| recovery needs. Microsoft recommends using an | | | | If the description section of error reports -1018 |
| Exchange-aware backup utility such as Windows | | | | error, this might be because of some |
| Server 2003 backup or any third-party application. | | | | hardware-related issues. |
| These utilities require access of .pat file (discussed | | | | 3. |
| in 'cause' section) and Exchange Server to be free | | | | In case of description section mentioning -613 |
| from any hardware-related errors to successfully | | | | error, the cause could be checksum error in .stm |
| backup the database. At times, these | | | | (SLV) file. Another possibility is some |
| hardware-related concerns also bring corruption to | | | | hardware-related concerns. |
| the database, which makes it obligatory either to | | | | Solution |
| restore from the last backup or perform | | | | You need to apply these measures to solve the |
| Exchange Server Repair to repair EDB file of MS | | | | described problem: |
| Exchange Server. | | | | 1. |
| To apprehend such situations better, consider a | | | | Another program might be accessing the .pat file, |
| scenario when you try to perform an | | | | so either stop the software or wait till it finishes. |
| Exchange-aware backup of the Exchange | | | | 2. |
| database. But due to some causes, the operation | | | | In case of -1018 error, find and solve the issue |
| fails and you get an error message mentioned | | | | behind and restore the database from the last |
| below: | | | | online backup if available. If you are using |
| “An error occurred during backup of an | | | | Enterprise edition, you can also use Exmerge. In |
| Exchange store database - the cause and | | | | other cases, you can perform EDB Repair using |
| resolution for the online backup failure depends on | | | | eseutil /p, followed by isinteg -fix commands, but |
| the error listed in the Description of the | | | | the data loss is likely. |
| event.” | | | | 3. |
| This error is generated by ESE (Extensible | | | | Follow the same steps as for -1018 error in case |
| Storage Engine) and is associated with event ID | | | | of -613 error. You need to repair .stm file along |
| 217. The error statement further mentions | | | | with the associated .edb file. |
| another error in its description section that actually | | | | Since eseutil /p causes database pages to delete, |
| determines the root cause of failure. | | | | it is more suggested to opt for third-party |
| Cause | | | | Exchange Server Repair utilities. |
| General reasons causing the above behavior to | | | | MS Exchange Repair Software is an advanced and |
| occur are: | | | | reliable tool that repairs Exchange databases and |
| 1. | | | | restores the mailboxes as *.pst file. The Exchange |
| ESE cannot access the database .pat file | | | | Repair tool supports MS Exchange Server 5.5, |
| exclusively. Exchange Server uses this file while | | | | 2000, and 2003. The software is valid to use in |
| backup is running to keep a record of updated | | | | each instance of database corruption with an |
| pages, separately for both private and public | | | | interactive design and look . |