The nature of this action is to procure proprietary brand name, commercial off-the-shelf (COTS) Opsview software maintenance to support the DISA Domain Name System (DNS) User Experience Monitoring (UEM) system. This procurement will be awarded as a firm-fixed-price (FFP) purchase order to Symmetrix the only authorized reseller of Opsview, via an open market advertisement of FedBizOpps. This requirement will perpetuate existing coverage under delivery order HC1028-16-P-0214.