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Anusha VankayalapatiAnusha Vankayalapati 

how to restrict a user from associating a case to a closed case validation rule

I need help building a validation rule for our case object. I need to restrict the user from associating the case to the closed master case. Could you please help me with this.
Raj VakatiRaj Vakati
Use this validation rule 
 
AND(
ISCHANGED(OwnerId),
IsClosed,
Text(Status)=='Closed' 
)