Could it be that you use the wrong OID. I check Windows services as following: Available: if(array_find(oid_column("1.3.6.1.2.1.25.4.2.1.2"), "db2sec.exe")>0, 1, -1) Error: if(array_find(oid_column("1.3.6.1.2.1.25.4.2.1.2"), "db2sec.exe")>0, "", &qu...