2238716 - SUM phase PREP_PRE_CHECK/TOOLVERSXML_UNI error: Mismatch between the last tool version run and the current one

• During system update using Software update manager (SUM) in  phase PREP_PRE_CHECK/TOOLVERSXML_UNI  the following error was reported:

"Last error code set: Fatal Error: Mismatch between the last tool version run and the current one: Release in kernel type cur was 742, now in sys it changes to 721."

• If one compares the path in bold in the bellow logfiles:

<DIR_SUM>\log\TOOLVERSXML_UNI.LOG

1 ETQ201 Entering upgrade-phase "PREP_PRE_CHECK/TOOLVERSXML_UNI" ("2015...")
2 ETQ367 Connect variables are set for standard instance access
4 ETQ399 System-nr = '01', GwService = 'sapgw01' Client = '000'

1 ETQ399 Output of 'disp+work' to be found in 'disp+work_sys.out'
3 ETQ120 20150325111645: PID 6008 execute'D:\usr\sap\PRD\DVEBMGS01\exe\disp+work -V', output written to '...\SUM\abap\log\disp+work_sys.out'.

 <DIR_SUM>\log\TOOLVERSXML_ROADMAP.LOG 

1 ETQ201 Entering upgrade-phase "MOD_SELROADMAP/TOOLVERSXML_ROADMAP" ("2015...")
2 ETQ367 Connect variables are set for standard instance access
4 ETQ399 System-nr = '', GwService = 'sapgw' Client = '000'
1 ETQ399 Output of 'disp+work' to be found in 'disp+work_cur.out'3 ETQ120 20150325111549: PID 5584 execute 'D:\usr\sap\TST\DVEBMGS00\exe\disp+work -V', output written to '...\SUM\abap\log\disp+work_cur.out'.

one can see, that a different kernel directory was used by the SUM tool in the earlier phase TOOLVERSXML_ROADMAP.

Note: the directory names are examples, and may be displayed differently in the logs

Update of a Netweaver based system running on WINDOWS and using SUM.

update directory , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , BC-OP-NT , Windows , Problem