diff --git a/xyz/openbmc_project/Network/IP.interface.yaml b/xyz/openbmc_project/Network/IP.interface.yaml
index 565dcd6..5091ac9 100644
--- a/xyz/openbmc_project/Network/IP.interface.yaml
+++ b/xyz/openbmc_project/Network/IP.interface.yaml
@@ -10,22 +10,36 @@
       description: >
           The value of this property shall be an IP address assigned to
           the ethernet interface.
+      errors:
+          - xyz::openbmc_project.Common.Error.NotAllowed
+
     - name: PrefixLength
       type: byte
       description: >
           This is the number of network bits in the ipaddress.
+      errors:
+          - xyz::openbmc_project.Common.Error.NotAllowed
+
     - name: Origin
       type: enum[self.AddressOrigin]
       description: >
           This indicates how the address was determined.
+      errors:
+          - xyz::openbmc_project.Common.Error.NotAllowed
+
     - name: Gateway
       type: string
       description: >
           This is the IP gateway for this address.
+      errors:
+          - xyz::openbmc_project.Common.Error.NotAllowed
+
     - name: Type
       type: enum[self.Protocol]
       description: >
           IP protocol type which can be IPv4 or IPv6 etc.
+      errors:
+          - xyz::openbmc_project.Common.Error.NotAllowed
 
 enumerations:
     - name: Protocol