You cannot back out service without removing the entire product. You are strongly recommended to keep a backup image or previous GA CD or fix pack readily available in case you encounter any problems after installing service.
Maintenance updates for WebSphere Business Integration Message Broker are available through a download from a web site, in the form of a Program Temporary Fix (PTF), also known as a fix pack. Fix packs are cumulative, therefore you do not need to install Fix Pack 1 before you can install Fix Pack 2. However, the GA code must have been installed first to activate the licensing requirements. You can find the latest information about available fix packs on the WebSphere Business Integration Message Broker support Web page
Fix packs for WebSphere Business Integration Message Broker are installed using the same technology as for the GA release. This means that product files are consistently tracked and updated appropriately.
You cannot remove individual fix packs; you can uninstall only the entire product. If you want to restore a system to a previous service level, you must uninstall the entire product, reinstall the GA level of the product, and then install the desired level of fix pack.
If you have any interim fixes applied to your existing installation, contact your IBM Service representative for instructions and possible updated interim fixes for the fix pack level you are installing.
You can download the latest fix pack from the WebSphere Business Integration Message Broker support Web page . Scroll down the page and select the fix pack listed for your WebSphere Business Integration Message Broker product.
You must read the multiplatforms memo. To access the memo, scroll down to read the Installation Instructions. Click on the link Problems fixed (MEMO.PTF).
To begin the download process, scroll to Download package and click the HTTP download option. Accept the download terms and conditions and sign in to the download site. Click the link for your desired operating system (with name of the form Fix Pack XX Unnnnnn, where XX is the number of the fix pack, and Unnnnnn is the fix pack file name) and follow the instructions. Select a suitable destination as the target for download.
To apply maintenance updates to WebSphere Business Integration Message Broker:
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