SSRS 2012, Sys.WebForms.PageRequestManagerServerErrorException with status code returned from the server was: 12029.
i executing huge report has 8 subreports in ssrs 2012, out of 15 times of execution error once. time report doesn't renders , there error icon @ left bottom of web page. when click open see details, gives following error;
sys.webforms.pagerequestmanagerservererrorexception: unknown error occurred while
processing request on server. status code returned server was: 12029.
on appreciated.
best regards,
vijay venkata
hi vijay,
based on research, issue can caused network connection between client , server dropping. can use microsoft network monitor to monitor network connection. can use fiddler monitor local request , received response message. see: troubleshooting reporting services @ client tier fiddler.
reference:
ssrs 2008 error - sys.webforms.pagerequestmanagerservererrorexception: status code 12029
ssrs – webforms error 12019
if have question, please feel free ask.
best regards,
qiuyun yu
qiuyun yu
technet community support
SQL Server > SQL Server Reporting Services, Power View
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