# Prerequisites

This topic list the prerequisites for using the SAP Sybase ASE source endpoint in a replication task.

## General prerequisites

* SAP Sybase ASE replication enabled for tables using the `sp_setreptable` command or privileges to enable it automatically.

* `RepAgent` must be disabled on the SAP Sybase ASE database.

* Turn off automatic truncation by running the following command:

  `sp_dboption mydb, "trunc log on chkpt", false`

  `go`

## Replicate on Windows

Install SAP Adaptive Server Enterprise ODBC Driver 16.0 or 16.1 (64-bit) on the Qlik Replicate computer.

Information noteThe Windows ODBC Driver 16.1 is only supported on Windows 2022 or later.

## Replicate on Linux

1. Stop the Replicate service and optionally confirm that it has stopped as described in [Replicate server procedures](https://help.qlik.com/en-US/replicate/May2025/Content/Replicate/Main/Installation/Server_Procedures.htm).

2. Install SAP Adaptive Server Enterprise ODBC Driver 16.0 or 16.1 (64-bit) on the Qlik Replicate computer.

   Information noteThe Linux ODBC Driver 16.1 is only supported on RHEL 9 or later.

3. After the driver is installed, verify that the /etc/odbcinst.ini file contains an entry for Sybase, as in the following example:

   ```
   [Adaptive Server Enterprise]    
   Description=Sybase ODBC Driver
   Driver=/opt/sap/DataAccess64/ODBC/lib/libsybdrvodb.so    
   Setup=    
   FileUsage=-1    
   CPTimeout=    
   CPReuse=
   ```

4. Start the Replicate service and optionally confirm that it has started as described in [Replicate server procedures](https://help.qlik.com/en-US/replicate/May2025/Content/Replicate/Main/Installation/Server_Procedures.htm).