AVAILABILITY CHECK
A stock check that is run automatically after each goods movement and which is intended to prevent the book inventory balances of physical stock categories (such as unrestricted-use stock) from becoming negative.
Availability Check can be done in three different ways.
1. Availability check with ATP logic
2. Availability check with product allocation
3. Rule-based Availability check
1. Availability check with ATP Logic
a. Define Checking Groups
By Checking Group we can specify what kind of required records system is to create, when we process sales orders and deliveries i.e individual requirements or summarized requirements.
Checking Group is determined based on material type and Plant in Material Master.
b. Define Material Block for Other Users
In this IMG activity you define for each checking group and initiator whether the material master record should be blocked for other orders during the availability check. If it is blocked, you cannot create two orders for the same material at the same time.
Using the Initiator field you can define the block separately for sales and shipping.
Example
A block may, for example, be necessary if the material stock is low. In theory, if the material were not blocked during the availability check, two orders could be confirmed with the result that the quantity available is not sufficient for both orders.
c. Define Checking Groups Default Value
In this IMG activity, you define the checking group that the system proposes when you create a new material master record. You can overwrite the default value for the checking group in the material master record.
The default value depends on the material type and plant. The SAP R/3 System copies this value to the SD documents, thereby proposing a certain extent of the availability check.
d. Carry out Control for Availability Check
Checking Rule specifies the scope of the availability check for the respective transactions in sales and distribution by specifying precisely which stocks, receipt and issue elements should be taken into account during the availability check.
e. Define Procedure By Requirements Class
In this IMG activity you define for each requirements class whether an availability check and/or transfer or requirements should be carried out.
The settings defined here correspond to the requirements class settings at a global level. The settings are automatically copied into the definition of the requirements class and vice versa.
f. Define Procedure for Each Schedule Line Category
In this IMG step, you specify for the respective schedule line categories of the sales documents whether an availability check and/or transfer of requirements should be carried out. These configurations are only relevant for the sales documents.
The fine tuning of the availability check for sales documents that you carry out here depends on their global configuration at requirements class level: You can only deactivate an option selected at requirements class level, but you cannot activate it. You can only activate an an option if it is already activated at requirements class level.
Example
You want to implement an availability check without transfer of requirements for sales information. At requirements class level, the availability check and the transfer of requirements must be active. You therefore deactivate the transfer of requirements in the corresponding schedule line category.
g. Determine Procedure for Each Delivery Item Category
In this step, you can switch off the availability check for particular item categories in deliveries.
The availability check should be switched off for transactions such as returns delivery.
h. Checking Rule for Updating Backorders
In this IMG step, you assign a checking rule to a plant.
The checking rule entered here is used in production planning. During backorder processing (CO06) and the availability overview (CO09), you should make sure that you are not using any checking rules that deviate from the SD configurations (checking rule A for orders and checking rule B for deliveries).
Define Default Settings
In this menu option, you specify certain defaults for the availability check.
For each sales area which is a combination of sales organization, distribution channel and division, you can set an indicator for fixing the date and quantity as well as a rule for transferring the results of the availability check.
• Fixed date and quantity
In this field, you specify for a sales area whether the delivery dates and delivery quantities confirmed after an availability check should be set.
• Rule for transferring the availability results
In this field, you can specify the system response to shortage for a sales area. The following responses are possible:
o The system displays the different options (for example, one-time delivery, full delivery) for selection in a dialog box.
o The system automatically chooses an option (for example, confirmation of a delivery proposal).
Reward Points
Regards
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