diff --git a/accounting/grpc/service.pb.go b/accounting/grpc/service.pb.go
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diff --git a/accounting/grpc/service_grpc.pb.go b/accounting/grpc/service_grpc.pb.go
index 8ed19565..0f4d18de 100644
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diff --git a/accounting/grpc/types.pb.go b/accounting/grpc/types.pb.go
index 016bdc2f..76287084 100644
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diff --git a/acl/grpc/types.pb.go b/acl/grpc/types.pb.go
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diff --git a/audit/grpc/types.pb.go b/audit/grpc/types.pb.go
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diff --git a/container/grpc/service.pb.go b/container/grpc/service.pb.go
index 390261e5..78f8825d 100644
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diff --git a/container/grpc/service_grpc.pb.go b/container/grpc/service_grpc.pb.go
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diff --git a/container/grpc/types.pb.go b/container/grpc/types.pb.go
index 269cfb41..d8dd62f9 100644
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diff --git a/lock/grpc/types.pb.go b/lock/grpc/types.pb.go
index 0a560ec5..d118ca8c 100644
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diff --git a/netmap/grpc/service.pb.go b/netmap/grpc/service.pb.go
index 93b19bad..c2009406 100644
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diff --git a/netmap/grpc/service_grpc.pb.go b/netmap/grpc/service_grpc.pb.go
index 1ee6b923..e27cd2ca 100644
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diff --git a/netmap/grpc/types.pb.go b/netmap/grpc/types.pb.go
index 53c601d3..a5fd6e5d 100644
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diff --git a/netmap/types.go b/netmap/types.go
index cc190afd..122dda15 100644
--- a/netmap/types.go
+++ b/netmap/types.go
@@ -94,6 +94,7 @@ const (
 	UnspecifiedState NodeState = iota
 	Online
 	Offline
+	Maintenance
 )
 
 const (
diff --git a/object/grpc/service.pb.go b/object/grpc/service.pb.go
index b2828956..7f15f44e 100644
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diff --git a/object/grpc/service_grpc.pb.go b/object/grpc/service_grpc.pb.go
index d92e1bb0..72d9eb43 100644
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diff --git a/object/grpc/types.pb.go b/object/grpc/types.pb.go
index 83a37baf..e1243b51 100644
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diff --git a/refs/grpc/types.pb.go b/refs/grpc/types.pb.go
index 12716d1c..be27e879 100644
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diff --git a/reputation/grpc/service.pb.go b/reputation/grpc/service.pb.go
index 719ad5ca..83317ee6 100644
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diff --git a/reputation/grpc/service_grpc.pb.go b/reputation/grpc/service_grpc.pb.go
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diff --git a/reputation/grpc/types.pb.go b/reputation/grpc/types.pb.go
index 2c6253f1..ff668696 100644
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diff --git a/session/grpc/service.pb.go b/session/grpc/service.pb.go
index b8a93cfb..15b645ea 100644
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diff --git a/session/grpc/service_grpc.pb.go b/session/grpc/service_grpc.pb.go
index 705c439f..a596be4f 100644
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diff --git a/session/grpc/types.pb.go b/session/grpc/types.pb.go
index 0d76bdfb..1fa22f0f 100644
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diff --git a/status/grpc/types.pb.go b/status/grpc/types.pb.go
index c18467c4..64b257e0 100644
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diff --git a/status/status.go b/status/status.go
index f300d5e3..c1b5272b 100644
--- a/status/status.go
+++ b/status/status.go
@@ -61,6 +61,8 @@ const (
 	WrongMagicNumber
 	// SignatureVerificationFail is a local Code value for SIGNATURE_VERIFICATION_FAIL status.
 	SignatureVerificationFail
+	// NodeUnderMaintenance is a local Code value for NODE_UNDER_MAINTENANCE status.
+	NodeUnderMaintenance
 )
 
 const (
diff --git a/storagegroup/grpc/types.pb.go b/storagegroup/grpc/types.pb.go
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diff --git a/subnet/grpc/types.pb.go b/subnet/grpc/types.pb.go
index 10e2e950..2bec81de 100644
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diff --git a/tombstone/grpc/types.pb.go b/tombstone/grpc/types.pb.go
index 747532b0..d971da24 100644
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diff --git a/util/proto/test/test.pb.go b/util/proto/test/test.pb.go
index edefcc3d..6ac0c674 100644
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