ORA-27102 OSD-00026 O/S-Error: (OS 1455)
I am trying to restore the database to new host, While doing the first step, I try to start the database,
SQL> startup nomount pfile=’F:\backup\init.ORA’;
ORA-32006: SEC_CASE_SENSITIVE_LOGON initialization parameter has been deprecated
ORA-00600: internal error code, arguments: [kmgs_component_init_5], , , 
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The below error message appeared in the alert log file.
ORA-27102: out of memory
OSD-00026: additional error information
O/S-Error: (OS 1455) The paging file is too small for this operation to complete.
Mon Jan 22 14:21:37 2018
Error: Failed to allocate SGA start_addr 00000007D0000000 size 134217728
It seems to be a Memory issue on the server. I have crosschecked the server RAM and init.ora file Memory target size. The Server RAM size is lesser than memory target size. so I have adjusted the memory target size in init.ora file according to the Server RAM and tried to start the database as a nomount stage, its okay.
Or you need to increase RAM on the server if you need more.