Add a known issue for assigning security groups to users (#754)

Author: rakillen

KnownIssues.md

@@ -29,3 +29,9 @@ Run the WLS `rcu` command before executing `createDomain` for JRF domains
 java.lang.IllegalArgumentException: In production mode, it's not allowed to set a clear text value to the property: CredentialEncrypted of SecurityConfigurationMBean
 ```
 **ACTION**: Contact Oracle Support to obtain the patch for bug number 30874677 for your WebLogic Server version before running the tool.
+
+### Assigning Security Groups to Users
+
+**ISSUE**: For WLS versions prior to 14.1.1, there is a problem setting the `GroupMemberOf` attribute in the `topology/Security/User` folder. The value is not persisted correctly, and the assignment will not be present when the domain is started.
+
+**ACTION**: Contact Oracle Support to obtain the patch for bug number 30319071 for your WebLogic Server version before running the tool.

site/use_cases.md

@@ -410,7 +410,7 @@
  - The processing of users, groups, and roles will only take place when using the [Create Domain Tool](create.md)
  - WebLogic global roles are only supported with WebLogic Server version 12.2.1 or greater
  - WebLogic global roles are only updated for the WebLogic security XACML role mapping provider (i.e. `XACMLRoleMapper`)
- - The user and group processing is not complete, currently, users cannot be assigned to groups. Users created using the `Security` section are automatically added to the `Administrators` group and are not added to the groups specified. As soon as a patch to correct the user and group processing is available, we will post it here.
+ - The user and group processing is not complete, currently, users cannot be assigned to groups. Users created using the `Security` section are automatically added to the `Administrators` group and are not added to the groups specified. See [Known Issues](../KnownIssues.md#assigning-security-groups-to-users) for information about a patch for this issue.
 
  ### Modeling WebLogic User Password Credential Mapping