Answer / deepak balhara

Basically we have the following 4 types of check

1. Hardware check
2. R/3 check (with application servers)
3. OS check
4. Database check

1. Hardware check
Check console messages
Check hardware components
Check main log files
Start up/shut down log files
Check the disk space

2. R/3 check (with application servers)
Check for problems with PDC file server.
Check processes or services at operating system level
Check connection with database
Check the buffer size and disk capacity

3. OS check
Check the event viewer

4. Database check
Check database specific error log file
Check database error numbers
Check database alerts.

If you are using P550 and P570 from IBM, please restart the
application server without restarting the database server...

Rgerads

Deepak Balhara

Answer / ashraf

Apart from HW check OS Check DB Check, we need to check at
R/3 level with
1. Whether dispatcher is running or not
2. If Dispatcher is not running check dispatcher with
developer trace to find out what is the reason.
3. Check Dispatcher is running but if it is not connected
to Messege Server.
4. If everything looks fine, then check with OS level
services and give a fresh stop/start.

Answer / anand

we need to check sap services like saposcol, sap<sid>_00 and
db services if it is oracle check oracle listener, oracle
agent, oracle<sid>

Answer / ganesh varma

1.Check whether the Dispatcher is down.
2.Check whether the Listner is down.
3.May be a network issue.
4.Check the Log files.

Answer / syed mahboob feroz ahmed

Hi,
We need to check OS level,HardWare Configuration,RFC
Connection between systems,Logical System Name,Binding
between RFC and Client.

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