Multiple log on in PRD system

[kmrcks]

we are surprised to see in the PRD system , SAP user with muliple logon.

h

coordinated with basis consultant and confirm all the setting are correct.

scenario 1.

Log on to Production server.

open one or two sessions.

in one session ,  we executed std Report MB51 .

To complete this report it takes fes minutes.

In the mean time you log on to sap in another system with same sap user id , there will be pop up , select the option terminate other log on ,

system will logon.

Now in the both system same user ID logged on.

This leads to performance issue in the Production server

May be this post need to posted in Basis also.

Any one who is viewing can test in their production system and confirm us.

look forward for the suggestions

[sai-ram]

Hi,

I am using CRM PRD system and i am able to login to different terminals at the same time.

How to limit the user id for single login?

Regards,

Akash

[manumohandas82]

Sorry Kannan .I didnt  understand what is your requirement .

Is that you want the User to login from one terminal only , but  can open multiple sessions from the same terminal ?

Thanks ,

Manu

[kmrcks]

Our requirement is One SAP User ID , should logged on in only one system / time at any again time.

If the user tries to log on in another system with same user ID , system should stop

we are not talking about sessions ?

only about log on

[Former Member]

Hi Karthik,

Please check the below wiki. Hope this solves your issue.

Disable Multiple SAP Logons - Basis Corner - SCN Wiki

[kmrcks]

Thanks for your reply

we have seen that link also.

[Former Member]

Hi Karthik,

Can you brief your requirement clearly otherwise nobody can help you out?

Regards,

Raja. G

[kmrcks]

System allows to multiple logon.

please refer the scenario - 1 ,

system allows to user to do multiple log on

[Former Member]

Hi Kannan,

Did you set the profile parameter in the instance profile?

Restarted the SAP instance after setting the parameter.

Import the active profile.

Regards,

Raja. G

[kmrcks]

Thanks for your reply.

Basis consultant confirm the parameters have the correct value.

[manumohandas82]

Hi Kannan  ,

Please read the following note and pass it on to your Basis consultant

142724 - Prevention of multiple SAPGUI logons

Thanks ,

Manu

[kmrcks]

Thanks for your reply.

already checked the Snote you have mentioned and parameter values are according to that

[former_member185954]

Hello Kannan,

What GUI is being used by users to login into SAP ?

Webgui and RFC logons are NOT impacted by setting any such parameters, they will continue to be allowed.

You may need to additionally set login/disable_multi_rfc_login parameter

Check this link for full list of logon related parameters. This parameter list hasn't changed much in subsequent SAP versions, If its not listed in this list, it probably isn't possible.

However, as someone said earlier, performance problems are subjective and related to user activity not logon.

For example users may typically perform logon using webgui and each session will be preserved till an automatic logout / termination is hit, but it doesn't adversely impact performance, the system uses small amount of extended memory to store user context data.

Someone suggested that its a licensing issue to have multiple logons, don't think that is true either. As license would depend on your contract, to my knowledge SAP also does volume based licensing wherein you pay based on the number of business data units you generate per year , it won't matter how many number of users were logged in. However, please check with your SAP account executives about licensing terms and conditions.

hope that helps.

Regards,

Siddhesh

[kmrcks]

Thanks for your reply.

all our system uses 7.3 GUI

File version : 7300.1.0.1074

Multiple log on is disabled.

System Allows multiple log on in this scenarios.

take a report / transaction which take more than a minute.

execute report in one system

immediately log on to PRD server with same SAP user ID.

System allows ?

You can also try in your system

Our Example:

Execute MB51 for a year ( It needs 2 minutes to output the report)

In the same time log on to other system. (even we select the option terminate the other logon)

System will allow.

How to solve this issue

[former_member185954]

Hello Kannan,

Does your system (PRD) have multiple application servers ? if yes has that parameter been updated in instance profile of all application servers ? not DEFAULT profile, instance profile of each application server?

Regards,

Siddhesh

[kmrcks]

Thanks.

The SAP system is  working as expected .

Reply : system should allow only one sap user id  once only

Is there any need that the same user should login from multiple terminals at the  same time ?

Reply : it happens in the business . but SAP should not allow.

You can limit the number of sessions opened under one user id  using profile parameter (rdisp/max_alt_modes , the default value should be 6 )

Reply : Limited to 4 sessions only

Multiple logons  from the same user id does not necessarily lead to any performance issue .

Note :  Same user id used for logon by multiple personnel is a license violation

Have you tried the scenario no1.

please try and confirm.

[Former Member]

Hi Kannan,

Do you want to restrict the multiple logons in the PRD system?

Regards,

Raja. G

[manumohandas82]

Hi Kannan ,

The SAP system is  working as expected . Is there any need that the same user should login from multiple terminals at the  same time ?

You can limit the number of sessions opened under one user id  using profile parameter ( rdisp/max_alt_modes , the default value should be 6 )

Multiple logons  from the same user id does not necessarily lead to any performance issue .

Note :  Same user id used for logon by multiple personnel is a license violation

Thanks ,

Manu

[kmrcks]

we are surprised to see in the PRD system , SAP user with muliple logon.

h

coordinated with basis consultant and confirm all the setting are correct.

scenario 1.

Log on to Production server.

open one or two sessions.

in one session ,  we executed std Report MB51 .

To complete this report it takes few minutes.

In the mean time you log on to sap in another system with same sap user id , there will be pop up , select the option terminate other log on ,

system will logon.

Now in the both system same user ID logged on.

This leads to performance issue in the Production server

May be this post need to posted in Basis also.

This leads to performance issue in the Production server

Any one who is viewing can test in their production system and confirm us.

scenario 2.

Log on to Production server.

open one or two sessions.

in one session ,   open any PO using ME23N

In the mean time you log on to sap in another system with same sap user id , there will be pop up , select the option terminate other log on ,

system will logon.

One system will be closed and one system / one sap user ID will be logged on

look forward for the suggestions

[Sriram2009]

Hi Kannan

1. The Scenario 1 & 2 is common popup message either when same user ids are logon to multiple times in different terminals. Or same user id log on different terminal "Select the option terminate other log on"

2. Why you want to keep the common user id? When you want to do troubleshoot in that time it’s very difficult to find the right user id and terminal name.

3. If your falls on performance issue you have to check those transactions enabling the ABAP trace, by using the transaction code ST12 trace. Check the overall ABAP & DB usage

BR

SS