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New Member

Problem upgrading CSACS 1121 from 5.1 to 5.2


I have a problem upgrading an appliance CSACS 1121 from version 5.1 to 5.2 because restore DVD has image of 5.1 not 5.2 and in appears only two files 5.2-0-26-1.tar.gpg and ACS_v5.2.0.26.iso, the first image is a patch and the second I'm not sure if is image for version 5.2, in case if appropriate which would be the correct commands to perform the upgrade using CLI.

Thanks for your help

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Cisco Employee

Re: Problem upgrading CSACS 1121 from 5.1 to 5.2


The upgrade process from 5.1 -> 5.2 involves reimaging the ACS with the 5.2 version, therefore you need the ISO base image: "ACS_v5.2.0.26.iso".

The file "5-2-0-26-1.tar.gpg" is patch level 1 for ACS

You can install the patch AFTER you install the base image.

Basically these are the steps:

Step 1 Back up the ADE-OS and ACS configuration data from the ACS 5.1 server:

Note Ensure  that you use a nonlocal repository for the ACS 5.1 data backup.  Otherwise, you might lose the configuration data after you install 5.2.

Issue the following backup command in the EXEC mode to perform a backup and place the backup in a repository.

backup backup-name repository repository-name

Step 2 Perform Reimaging the ACS Server, page 5-6.

ACS upgrades the ADE-OS to 1.2 and ACS to 5.2.

Step 3 Configure a repository to place the backed up data.

Step 4 Restore the ADE-OS and ACS configuration data to the ACS 5.2 server:

Issue the restore command in the EXEC mode to restore the backup taken earlier:

restore filename repository repository-name

While ACS restores and upgrades the ACS 5.1 configuration data, it also  begins to convert and upgrade the ACS 5.1 Monitoring and Report Viewer  data to the 5.2 format.

Step 5 To monitor the status of the data upgrade, from the Monitoring and Report Viewer, choose Monitoring Configuration > System Operations > Data Upgrade Status.

The Data Upgrade Status page appears, indicating the status of the Monitoring and Report Viewer data upgrade.

When the database upgrade completes, ACS displays the following message:

Upgrade completed successfully.

Step 6 Click OK.

This is documented on:




If  this helps you and/or answers your question please mark the question as  "answered" and/or rate it, so other users can easily find it.

New Member

Re: Problem upgrading CSACS 1121 from 5.1 to 5.2


Thanks for your help, Do you know which commands would be the correct to copy ISO base image and patch to appliance CSACS 1121 from TFTP or FTP, or if you know other form to copy these images to appliance.

Cisco Employee

Re: Problem upgrading CSACS 1121 from 5.1 to 5.2

Hi Ana,

The ISO image doesn't get copied via TFTP/FTP. You have to burn that to a DVD and place it into the server.

Once the server is installed on 5.2 and the database is re-imported, then you can use the following command on the ACS command line:

acs patch install 5-2-0-26-1.tar.gpg repository 

Where is the configured repository you created to point at your FTP server.

Note that with most ACS patches you will need to use FTP as the file sizes exceed the abilities of the TFTP client on the ACS.


New Member

Re: Problem upgrading CSACS 1121 from 5.1 to 5.2

Looking at the documentation on the Cisco website, there are two ways to do the upgrade. An incremental upgrade or a backup/restore upgrade.

The first file (5.2-0-26-1.tar.gpg ) is used to do the incremental upgrade.

The second file (ACS_v5.2.0.26.iso) is used to do a backup/restore upgrade.

The main difference is that the incrmental upgrade essentially allows you to do a remote upgrade of your ACS server.

The iso file (backup/restore method) requires that you have phycical access to the ACS server.

See these instructions to perform either of the upgrades:

I hope this helps!


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