SYSNAME
The one with no sysDescription has no SNMP items. The one with a SysDescription has no VNA items. The one with no SysDescription does not show up in 'Monitored Devices'.
All DX NetOps Performance Management releases
Ran the following mysql and determined the duplicate from NFA and not VNA.
mysql> select SourceID,SourceType,ConsoleName from data_sources2;
+----------+------------+-------------------------------------+
| SourceID | SourceType | ConsoleName |
+----------+------------+-------------------------------------+
| 0 | 16 | CA Performance Center |
| 2 | 1024 | [email protected] |
| 3 | 262144 | Data [email protected] |
| 4 | 65536 | [email protected] |
| 5 | 2 | [email protected] |
+----------+------------+-------------------------------------+
5 rows in set (0.00 sec)
mysql> select SourceID,ItemName from dst_device where ItemName like '%<deviceName>%';
+----------+-----------------------------------+
| SourceID | ItemName |
+----------+-----------------------------------+
| 4 | SYSTEM.DOMAIN.COM |
| 3 | SYSTEM.DOMAIN.COM |
| 5 | SYSTEM |
| 5 | SYSTEM |
+----------+-----------------------------------+