The purpose of the blog is to provide the overview of material master lock functionality (material master lock relevant fields), the benefits & how to configure the material master fields as lock relevant fields.
Contents
1. 1) Background of material master functionality
2. 2) How to configure the functionality?
Background of material master lock functionality
In certain circumstances there is a business need to lock few material master fields as lock relevant (The fields should be in a display mode under MM02 transaction) & users shouldn’t be able to change the material master.
Business decides to lock the material fields since these fields might be updated from external interface to SAP or these fields may be critical & only few authorized person can make the update to material master.
How to configure the functionality
Step 1
Make the fields as lock relevant in SPRO
Path: SPRO-> Logistics – General-> Material Master-> Field Selection-> Define Lock-Relevant Fields
For example the field EAN under Basic Data1 is marked as lock relevant as follows
Step2
Execute MM17 & lock the material as follows (Locking & unlocking the fields via MM17 is possible)
Step3
Now the EAN field is in display mode under MM02 & the users will not be able to change the Fields in MM02
Note:
SAP provides auth group M_MATE_MAF where users can lock & unlock the Material master fields in MM02 as shown below
This auth group has to be removed from all the users & should be assigned to few selected persons so that we can lock & unlock the fields using MM17 in a controlled manner.
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