Fixed parameter validation logic when uses UseDefaultCVMPolicy (#19368)

* Fixed parameter validation logic when uses UseDefaultCVMPolicy

* Update ChangeLog.md

Co-authored-by: Yeming Liu <[email protected]>

Author: BethanyZhou

src/KeyVault/KeyVault/ChangeLog.md

@@ -18,6 +18,7 @@
         - Additional information about change #1
 -->
 ## Upcoming Release
+* Fixed parameter validation logic of `-UseDefaultCVMPolicy`
 * Added parameter `ContentType` in `Import-AzKeyVaultCertificate` to support importing pem via certificate string
 * Allowed `DnsName` in `New-AzKeyVaultCertificatePolicy` to accept an empty list [#18954]
 

src/KeyVault/KeyVault/Commands/Key/AddAzureKeyVaultKey.cs

@@ -458,11 +458,12 @@ private void ValidateParameters()
                 if (Destination != HsmDestination) { throw new ArgumentException(Resources.KEKMustBeHSM); }
             }
 
-            if (this.IsParameterBound(c => c.Exportable) && !this.IsParameterBound(c => c.ReleasePolicyPath))
+            if (this.IsParameterBound(c => c.Exportable) && !this.IsParameterBound(c => c.ReleasePolicyPath) && !this.IsParameterBound(c => c.UseDefaultCVMPolicy))
             {
                 throw new AzPSArgumentException("Exportable keys must have release policy.", nameof(ReleasePolicyPath), ErrorKind.UserError);
             }
-            else if (this.IsParameterBound(c => c.ReleasePolicyPath) && !this.IsParameterBound(c => c.Exportable))
+            else if ((this.IsParameterBound(c => c.ReleasePolicyPath) || this.IsParameterBound(c => c.UseDefaultCVMPolicy))
+                && !this.IsParameterBound(c => c.Exportable))
             {
                 throw new AzPSArgumentException("Non-exportable keys must not have release policy.", nameof(ReleasePolicyPath), ErrorKind.UserError);
             }