ChangeServiceAccountMode · Veeam VBR v13 MCP Server MCP

WHAT IT DOES

What ChangeServiceAccountMode does on Veeam VBR v13 MCP Server

AI agents use ChangeServiceAccountMode 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 ChangeServiceAccountMode needs a policy

This tool modifies the service account mode for a user in a Veeam Backup & Replication environment. It is a Write operation (modifying account configuration), not destructive since account mode changes are typically reversible.

From the tool's definition Change service account mode for a user

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

ChangeServiceAccountMode Rate-limited

ChangeServiceAccountMode 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": {
    "ChangeServiceAccountMode": {
      "limits": [
        {
          "counter": "changeserviceaccountmode_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 ChangeServiceAccountMode

What does the ChangeServiceAccountMode tool do? +

Change service account mode for a user. 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 ChangeServiceAccountMode? +

Register the Veeam VBR v13 MCP Server MCP server in PolicyLayer and add a rule for ChangeServiceAccountMode: 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 ChangeServiceAccountMode? +

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

Can I rate-limit ChangeServiceAccountMode? +

Yes. Add a rate_limit block to the ChangeServiceAccountMode 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 ChangeServiceAccountMode completely? +

Set action: deny in the PolicyLayer policy for ChangeServiceAccountMode. 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 ChangeServiceAccountMode? +

ChangeServiceAccountMode 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.