1 minutes readADOP + ORA-12516: TNS:listener could not find available handler with matching protocol stack (DBD ERROR: OCIServerAttach)

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ERROR in ADOP Log dile:-
[ERROR]    
Cannot connect to database
[ERROR]    
Error Message: ORA-12516: TNS:listener could not find available handler with
matching protocol stack (DBD ERROR: OCIServerAttach)
[ERROR]    
Error calling ad_zd_log. Refer to log file for details.
[ERROR]    
Error calling ad_zd_log. Refer to log file for details.
[ERROR]    
Error calling ad_zd_log. Refer to log file for details.
 
[ERROR]    
Cannot connect to database
[ERROR]    
Error Message: ORA-12516: TNS:listener could not find available handler with
matching protocol stack (DBD ERROR: OCIServerAttach)
 
Solution:-
Step 1:- Ensure that your sqlnet_ifile.ora
has the line:-
SQLNET.ALLOWED_LOGON_VERSION_SERVER = 8 (if the
initialization parameter
SEC_CASE_SENSITIVE_LOGON is set to FALSE)
SQLNET.ALLOWED_LOGON_VERSION_SERVER = 10 (if
SEC_CASE_SENSITIVE_LOGON is set to TRUE)
Step 2:- Restart faild working using adctrl utility.
Step 3:- Restart adop session 
adop
phase=apply patchtop=$PER_TOP/patch/115 patches=driver:hrglobal.drv
options=nocopyportion,nogenerateportion,forceapply workers=10 maxworkers=20
restart=yes
 

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