R/3 Basis System: Initialization DB-Connect Failed, Return Code 000256 R/3 Basis System: Operating system call...
connect failed (error no. 10061) R/3 Basis System: Failed to establish a connection to the message server Please advise.
Here are some things to check:
-services file (under %systemroot%system32driversetc) needs to have the sapdpxx and sapmsXXX entries
-the >sid<adm and SAPService>SID< Windows accounts need to have login permissions to the database server
-the system profiles need to be present and configured correctly (check under usrsap>SID<sysprofile)
-the R/3 kernel should be current
-the MMC needs to be registered correctly
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