Thanks a lot for sharing your issue here, it’s very interesting.
Failure after Adm are a pain in the a$$…. Did it increase suddenly, or was it always high ?
Possible causes :
1/ TN issue (Iub)
2/ RNC issue (sw issue)
3/ Core network issue
Try doing a Iub lock + cold restart of the RBS.
Also, please show the values for one day, so I can have a better understanding.
pmxh cell=… afteradm|pmTotNoRrcConnectReq -m 4 -a
If the RBS Restart did not work, then GPEH traces are the next step.
So let me recap:
1/ sudden increase ?
2/ share pmx results
3/ do a iub lock + rbs cold restart