Scenario 1: You are getting the below error message while uninstalling the SAP system using the SWPM tool.
WARNING 2014-05-26 11:53:12.386
Connect to message server (HOST/39xx) failed: MSENILAYER.
ERROR 2014-05-26 11:53:14.113
FJS-00003 uncaught exception: wapsmod.ms.MsAttachFailed:
Connect to message server (HOST/39xx) failed: MSENILAYER.
(in script unknown, line 0: ???)
ERROR 2014-05-26 11:53:15.962
FCO-00011 The step stopInstances with step key
|NW_Uninstall|ind|ind|ind|ind|0|0|NW_System_Uninstall|ind|ind|ind|ind|uninstall|0|
stopInstances was executed with status ERROR ( Last error reported by the step:
uncaught exception: wapsmod.ms.MsAttachFailed:
Connect to message server (HOST/39xx) failed: MSENILAYER.
(in script unknown, line 0: ???)).
INFO 2014-05-26 11:53:16.55
Creating file
C:\Program Files\sapinst_instdir\BS2010\ERP605\LM\UNINSTALL\AS\__instana_tmp.xml.
Scenario 2: Issue occurred while performing the refresh/move database instance of the SWPM tool.
An exception occurred while connecting to the message server instance
SID/ASCSxx on host HOSTNAME, port 36xx.
DIAGNOSIS:
The original exception was: wapsmod.ms.MsAttachFailed: Connect to
message server (HOSTNAME/36xx) failed: MSENILAYER..
SOLUTION: Make sure that the message server is started.
Solution
Scenario 1: Check and ensure the parameter rdisp/msserv_internal is correctly maintained. The parameter rdisp/msserv_internal should be in 39xx (xx = instance number).
Scenario 2: As stated in the error log, you have to ensure the message server is up and running.
