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Upgrading Email Security Gateway Solutions > Recovery procedures
Recovery procedures
Deployment and Installation Center | Email Security Gateway Solutions | Version 7.8.x
In the event that your upgrade was unexpectedly interrupted (for example, by a power outage or appliance restart), you can use the backup files you created earlier in the process to restore your system to its pre-upgrade state. (See Backup procedures.)
 
* 
Note 
Any quarantined or archived messages stored in the appliance local queues may be lost as a result of the recovery process.
Use the following procedure to recover your Email Security Gateway system:
1.
Use the recovery DVD or USB drive image to reimage your V-Series appliance to the version from which you were upgrading.
2.
Run firstboot.
3.
Restore the backup files to your system in the following order, using the restore information for each component referenced in Backup procedures:
a.
V-Series appliance
b.
Microsoft SQL Server databases
c.
TRITON Unified Security Center
d.
Data Security manager
e.
Email Security Gateway manager
 
* 
Important 
Your backup files should match the version of Email Security to which you are restoring them.
For example, if your backup files are from v7.7.0, you should not upgrade to v7.8 before restoring the v7.7.0 files to Email Security.
4.
Verify that your system works as it did before the interrupted upgrade.
You can now initiate the upgrade process.

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Upgrading Email Security Gateway Solutions > Recovery procedures
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