# Maintenance Guide

### Introduction

This article provides different procedures for maintaining your ProSBC.

### ProSBC Verification

* [Check Disk Space](/maintenance-and-troubleshooting/maintenance-guide/check-disk-space.md)
* [Check Processor Usage](/maintenance-and-troubleshooting/maintenance-guide/prosbc-processor-usage.md)

<br>

### ProSBC Replacement

#### Backup your system configuration

If this is a 1+1 system, before proceeding with the procedure, make a backup of your configuration. Please follow this link: [Backup procedure](/maintenance-and-troubleshooting/maintenance-guide/troubleshooting-toolpack.md)\
Note: The database backup should be stored in a safe place

#### Setup a new ProSBC

Install a ProSBC using one of the following methods: ProSBC Installation\
If the same product key is used, it needs to be reset - please contact [TelcoBridges TB Support](mailto:support@telcobridges.com)<br>

### Replacement of a standalone ProSBC

Go through the initial configuration and select "This unit is deployed as a stand-alone unit"\
If the configuration database is available, restore it on the system: [Restoring Database Procedure for v2.8 and up](/maintenance-and-troubleshooting/maintenance-guide/restoring-a-database.md)\
Otherwise you will need to reconfigure the system: ProSBC Configuration<br>

### Replacement of a Primary ProSBC

Go through the initial configuration and select "As part of a redundant system"<br>

<figure><img src="https://docs.telcobridges.com/w/images/thumb/d/d8/FreeSBC_redundant.png/700px-FreeSBC_redundant.png" alt=""><figcaption></figcaption></figure>

\
Then select "The primary unit"

<figure><img src="https://docs.telcobridges.com/w/images/thumb/d/d0/FreeSBC_the_primary_unit.png/700px-FreeSBC_the_primary_unit.png" alt=""><figcaption></figcaption></figure>

\
and "Get configuration from an existing secondary unit"

\
\ <br>

<figure><img src="https://docs.telcobridges.com/w/images/thumb/7/7f/FreeSBC_take_from_secondary.png/700px-FreeSBC_take_from_secondary.png" alt=""><figcaption></figcaption></figure>

### Replacement of a Secondary ProSBC

Go through the initial configuration and select "This unit is deployed as part of a redundant system" and select "The secondary unit". It will automatically get the configuration from the primary unit.<br>

<figure><img src="https://docs.telcobridges.com/w/images/thumb/f/f1/FreeSBC_the_secondary_unit.png/700px-FreeSBC_the_secondary_unit.png" alt=""><figcaption></figcaption></figure>


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