How can I make my existing shared network virtual router redundant?

Hi There, How can I make my existing shared network virtual router redundant? I am using ACS 4.17.1.0 and the Guest Network type is Shared Network. Yours sincerely, Nazmul Parvej Deputy Manager, Product Development IT Division Bangladesh Export Import Company Ltd. Level-9, SAM Tower, Plot

Unable to add host

[c.c.r.ResourceManagerImpl] (qtp1074389766-291:ctx-32254b38 ctx-81598c92) (logid:276372ee) Unable to find the server resources at http://10.10.9.51 2021-10-27 16:00:23,408 WARN [o.a.c.a.c.a.h.AddHostCmd] (qtp1074389766-291:ctx-32254b38 ctx-81598c92) (logid:276372ee) Exception: 2021-10-27 16:00:2