Assigning Roles to PCK Users 
On AS Java, you have to assign the PCK user roles created during installation to the PCK users created in the previous step, depending on their task.
Procedure
Start the SAP NetWeaver Administrator.
Choose Operations
Management 
User and Access Management Identity Management 
and search for user PCK*.For each of the users in the following table, choose the Assigned Roles tab page and assign a role as indicated in the table.
PCK users and assigned roles:
User |
Role |
|---|---|
pckuser |
SAP_XI_PCK_CONFIG |
pckreceiver |
SAP_XI_PCK_COMMUNICATION |
pckmonitor |
SAP_XI_PCK_MONITOR |
pckadmin |
SAP_XI_PCK_ADMIN |
If necessary, you can assign your own users to these roles.