Shared Secret Mismatch in DB Replication

Answered Question
Nov 5th, 2009

Implementing Database Replication in two Cisco ACS SE 1113, and the ACS Version is It failed with an error message "Shared Scret Mismatch", however it is same on both boxes. Any idea what would be the problem?

I have this problem too.
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Correct Answer by Jagdeep Gambhir about 6 years 11 months ago


We need to clear out 127 IP from appliance. Please refer to this link,

You need to install backup from appliance on ACS windows.



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Overall Rating: 5 (1 ratings)
darpotter Fri, 11/06/2009 - 05:06

Because you need to enter each value twice its very easy to make mistakes.

Cut and paste isnt always reliable either.

It can be confusing but each ACS needs a secret for itself and the other ACS.

Jatin Katyal Fri, 11/06/2009 - 05:11


This happens because of two reasons:

1].when we have different keys for AAA servers on primary and secondary ACS.

The primary server must be configured as an AAA server and must have a key.

The secondary server must have the primary server configured as an AAA

server and its key for the primary server must match the primary servers own

key. The shared secret key should be same on the both the ACS's.

Also, please manually type the secret key, sometimes when we copy and paste the key it copies the HTML character and that could be an issue.

2.] If you see any server with this ip address

you may visit the below suggested ULR:




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Ahmed Shahzad Sun, 11/08/2009 - 14:14

I exactly have followed the steps given in the document, and the password value on both side is match. However I have found a server "Self" with IP Address on both ACS.

I am still getting same error.


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