Avamar: How to register and activate multiple clients with the same short name

Summary: This article discusses how to register and activate multiple clients with the same short name.

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Instructions

An Avamar client fails to register because another client, which has the same hostname, is already registered with MCS. 

This is common where a service provider manages Avamar and cannot modify the hostname of an end user's Avamar client. 

This also occurs when a user wants to back up the same client as both a VM and an agent-based client.

avagent Error <7481>: Unable to register /domain/clientname with Administrator avamarserver.customer.com:28001'* 115 * nodename cannot be registered because it already exists in another domain' (115) avagent.d Info: Client activation error.


1) Use PuTTY to SSH to the Avamar server as the Linux operating system admin user

2) Make a backup copy of /usr/local/avamar/var/mc/server_data/prefs/mcserver.xml. 

cp -p /usr/local/avamar/var/mc/server_data/prefs/mcserver.xml /usr/local/avamar/var/mc/server_data/prefs/x-mcserver.xml.YYMMDD
3) Use VI to edit mcserver.xml and search for the line containing "allow_duplicate"


4) Change the value of the key from false to true.

<entry key="allow_duplicate_client_names" value="true" />
5) Save the changes and close the file
6) Restart MCS so the new parameters take effect  
dpnctl stop mcs
dpnctl start mcs,sched

                
Additional Information

        

   
 

  




        

        
        
Affected Products

        Avamar
    
Products

        Avamar







                        

                            

    

        

            

                
                    
 Article Properties

                
            

            

                

                        
Article Number: 000026120

                

                
                

                        
Article Type: How To

                

                

                        
Last Modified: 06 Feb 2025


                

                    

                            
Version:  4

                    


            


        

    

    

        

            

                
                    
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