The DNS server encountered an invalid WINS reverse lookup (WINSR) resource record (RR) in file %1 at line %2. WINSR records ...

The DNS server encountered an invalid WINS reverse lookup (WINSR) resource record (RR) in file %1 at line %2. 
 
WINSR records are subject to the following conditions: 
  1) WINSR record must be in reverse lookup zone (under in-addr.arpa domain). 
  2) Only one WINSR record may be specified in a zone file. 
  3) WINSR record must belong to the zone root (the WINS record name must be the origin of the zone). 
  4) WINSR record must specify at domain for the resulting name. 
 
The format of a WINSR record: 
WINSR [LOCAL] [L] [C]  
 
Examples (zone root assumed to be current origin): 
@ IN       WINSR LOCAL L1 C10 microsoft.com. 
@ IN       WINSR wins.microsoft.com. 
 
For more information, see "Using WINS lookup" in the online Help.