Windows ACS 3.1 to 4.2 upgrade

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Aug 25th, 2008
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I have Windows ACS 3.1 installed. Now i want to upgrade it to 4.2 version. Can anybody tell me the part number of CD that need to be ordered by Cisco and what will be procedure to upgrade. Will the backup of 3.x supported by 4.x. Shall i need to upgrade from 3.1 to 3.2 and then later on 4.x.

Please tell me the procedure and how to order to cisco with part number.

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Overall Rating: 3.5 (2 ratings)
jhillend Mon, 08/25/2008 - 08:34
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The upgrade part number is CSACS-4.2-WINUP-K9

To upgrade from ACS 3.1 to ACS 4.2, you will need to upgrade as follows:

3.1 > 3.3.3(or 3.3.4) > 4.1 > 4.2

wasiimcisco Mon, 08/25/2008 - 09:46
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Thanks for the reply, will the backup of 3.1 will support 4.2.

how much downtime required for this upgradation and any special instruction before doing the upgradation and during the upgradation.

waiting for reply

Jagdeep Gambhir Mon, 08/25/2008 - 10:53
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No you cannot load backup from 3.1 to any other ver. You need to upgrade 3.1 to 4.2 using path,


During upgrade it will prompt you to "keep existing database" make sure you enable that else you will loose your database.

Best way is to install 3.1 on separate system and restore backup from production acs 3.1 and upgrade step by step to 4.2.

So during that time you don't need any downtime. Once 4.2 is ready simple put it on the network.

It should not take more then 10 mins of downtime. I suggest to do this in off prodn hrs just to be on safe side.




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