Launch exe file from network location using dynamics CRM plugin -

i trying launch .exe file network location in dynamics crm plugin using code snippet

if (context.inputparameters.contains("target") && context.inputparameters["target"] entity)             {                 entity account = (entity)context.inputparameters["target"];                  if (account.logicalname == "account")                 {                     process.start(@"<networklocation>\abctest.exe");                 }             } 

and snippet throws exception. idea how can launch .exe network location.

exception

  <errorcode>-2147220891</errorcode>   <errordetails xmlns:d2p1="http://schemas.datacontract.org/2004/07/system.collections.generic">     <keyvaluepairofstringanytype>       <d2p1:key>operationstatus</d2p1:key>       <d2p1:value xmlns:d4p1="http://www.w3.org/2001/xmlschema" i:type="d4p1:string">0</d2p1:value>     </keyvaluepairofstringanytype>     <keyvaluepairofstringanytype>       <d2p1:key>suberrorcode</d2p1:key>       <d2p1:value xmlns:d4p1="http://www.w3.org/2001/xmlschema" i:type="d4p1:string">-2146233088</d2p1:value>     </keyvaluepairofstringanytype>   </errordetails>   <message>the server process not started because configured identity incorrect. check username , password</message>   <timestamp>2016-09-02t04:42:55.1394536z</timestamp>   <innerfault i:nil="true" /> 

update 1

it dynamics crm on-premise environment , file not on crm server.

update 2

both exe file , crm in same network.