Admin Interface not available after editing the Archive Volume

The root archive path may be the ip address instead of the actual path. 
There are 2 hives that need to be edited, while paying attention to 3 entries in each hive.

-Open REGEDIT

Check this hive: 
HKEY_LOCAL_MACHINE\SOFTWARE\ipConfigure

Make sure:

'Remote Server' 
'Server Name'

have matching entries (most likely the IP Address of this machine).

Also make sure that

'Root Archive Path'

is equal to C:\ipConfigure\ (or the path that you installed ESM)

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Check this hive: 
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\ipConfigure

Make sure:

'Remote Server' 
'Server Name'

have matching entries (most likely the IP Address of this machine).

Also make sure that

'Root Archive Path'

is equal to C:\ipConfigure\ (or the path that you installed ESM)