By default, AOL Instant Messenger does not support more than 160 buddies. If you have version 4.3.4 or later, this value can be increased up to a maximum of 999.
To increase the maximum number of AOL Instant Messenger buddies:
Use a registry editing tool to navigate to the following key:
HKEY_CURRENT_USER\Software\America Online\AOL Instant Messenger (TM)\CurrentVersion\Buddy
Insert a value with the following details:
Data Type: DWORD
Value Name: Maxuddies
Value: Any number between 1 and 999
Restart AOL Instant messenger for the change to take effect
To increase the maximum number of AOL Instant Messenger buddies:
Use a registry editing tool to navigate to the following key:
HKEY_CURRENT_USER\Software\America Online\AOL Instant Messenger (TM)\CurrentVersion\Buddy
Insert a value with the following details:
Data Type: DWORD
Value Name: Maxuddies
Value: Any number between 1 and 999
Restart AOL Instant messenger for the change to take effect