UpdateKMSServer · Veeam VBR v13 MCP Server MCP

WHAT IT DOES

What UpdateKMSServer does on Veeam VBR v13 MCP Server

AI agents use UpdateKMSServer to create or update resources in Veeam VBR v13 MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Veeam VBR v13 MCP Server environment.

WHY IT NEEDS A POLICY

Why UpdateKMSServer needs a policy

This tool creates or modifies KMS (Key Management Server) configuration data. While reversible (fits Write rather than Destructive), it affects encryption key management infrastructure—a critical security control. Misuse could compromise encryption key storage, access policies, or rotation settings, potentially exposing encrypted backups.

From the tool's definition Tool name 'UpdateKMSServer' and description 'Edit a KMS server configuration' indicate modification of cryptographic key management server settings.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

UpdateKMSServer Rate-limited

UpdateKMSServer stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "UpdateKMSServer": {
      "limits": [
        {
          "counter": "updatekmsserver_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Veeam VBR v13 MCP Server, so you can run agents against it safely.

FAQ

Questions about UpdateKMSServer

What does the UpdateKMSServer tool do? +

Edit a KMS server configuration. It is categorised as a Write tool in the Veeam VBR v13 MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on UpdateKMSServer? +

Register the Veeam VBR v13 MCP Server MCP server in PolicyLayer and add a rule for UpdateKMSServer: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Veeam VBR v13 MCP Server. Nothing to install.

What risk level is UpdateKMSServer? +

UpdateKMSServer is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit UpdateKMSServer? +

Yes. Add a rate_limit block to the UpdateKMSServer rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block UpdateKMSServer completely? +

Set action: deny in the PolicyLayer policy for UpdateKMSServer. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides UpdateKMSServer? +

UpdateKMSServer is provided by the Veeam VBR v13 MCP Server MCP server (kid-boy/veeam-mcp-13). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.