I'm using SAP R3 4.6C MS SQL 2000.  I have 190 users. I notice when users are log in during peak hours 9am -6pm SAP R3 is very very slow. I lately increase my DIA and BGD process but still same issue.

Check if there are long running jobs in the background during the peak times (SM50) or if users are running long running
transactions/big lists.

System performance cannot improve if Dia and Bck workprocess increased. In fact those itself will bring down the performance of the system.

* Do not allocate more the 2 bck process in peak hours

* Check if your hardWARE is adequately sized for these many users.

* Check for any jobs consuming more than 60% of you resource.
  ( STO6-DETAIL ANALYSIS-TOP CPU)

* Check if  there is any NETWORK COLLISION AT SERVER AND USER END.

* Rate of ARCHIEVE LOG SWITCH OVER .

* All USERS use SAME SERVER AT A TIME

* Even USER with ALL SUPER USER AUTHORISATIION can bring DOWN SYSTEM PERFORMANCE AT TIMES

* TRANSPORTS, providing AUTHORISATION and EXECUTING RESOURCE CONSUMING REPORTS TO BE AVOIDED at PRIME TIME.

Tips by: Satish

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