Installation and setup changedthird-party/claude-desktop/installation
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9494
9595## Verifying the deployment
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97On any configured device, open Claude Desktop, go to **Help → Troubleshooting → Generate Diagnostic Report**, and click **Export to file**. In the saved `.zip` file, `managed-config.txt` shows where the configuration was read from and every key the app applied, with secret values redacted and anything it could not parse listed under `Parse errors`. `provider-status.txt` shows whether the provider settings are complete and valid, and `deployment-mode.txt` shows whether the app is running in third-party mode.
97On any configured device, open Claude Desktop, go to **Help → Troubleshooting → Generate Diagnostic Report**, and click **Export to file**. In the saved `.zip` file, `managed-config.txt` shows where the configuration was read from and each key's configured or default value, with secret values redacted and anything it could not parse listed under `Parse errors`. `provider-status.txt` shows whether the provider settings are complete and valid, and `deployment-mode.txt` shows whether the app is running in third-party mode.
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99Also confirm that the [in-app configuration window](/docs/third-party/claude-desktop/in-app-configuration.md) (**Developer → Configure Third-Party Inference…**) opens read-only on a managed device. The app reads managed keys from the profile by name and silently ignores a misspelled key rather than reporting an error. On macOS, a window that is still editable means no recognized key reached the app, even if your MDM shows the profile as delivered. On Windows, even a misspelled value under `HKLM\SOFTWARE\Policies\Claude` counts as machine policy and locks the window, so check `managed-config.txt` in the diagnostic report to see which keys were actually read. If your profile deliberately sets [only app-behavior keys](/docs/third-party/claude-desktop/mdm.md#update-keys-and-managed-precedence) (the update, relaunch window, configuration re-check, or network proxy keys), an editable window is expected.
99Also confirm that the [in-app configuration window](/docs/third-party/claude-desktop/in-app-configuration.md) (**Developer → Configure Third-Party Inference…**) opens read-only on a managed device. The app reads managed keys from the profile by name and silently ignores a misspelled key rather than reporting an error. On macOS, a window that is still editable means no recognized key reached the app, even if your MDM shows the profile as delivered. On Windows, even a misspelled value under `HKLM\SOFTWARE\Policies\Claude` counts as machine policy and locks the window, so compare each key's value in `managed-config.txt` with the value you set. If your profile deliberately sets [only app-behavior keys](/docs/third-party/claude-desktop/mdm.md#update-keys-and-managed-precedence) (the update, relaunch window, configuration re-check, or network proxy keys), an editable window is expected.
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101101If the app shows the standard claude.ai sign-in screen instead of Cowork, the configuration was not read. Common causes:
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103103* `inferenceProvider` is missing or its name is misspelled, or its value in the local configuration file or in Windows policy under `HKCU` isn't one the app recognizes
104104* The configuration was applied while the app was running (fully quit and relaunch)
105105* The configuration was written to the local config file but you're checking the managed location (or vice versa)
106* On Windows (v1.19367.0 and later), the configuration is in `HKCU\SOFTWARE\Policies\Claude` but machine policy is also present: any `REG_SZ`, `REG_EXPAND_SZ`, or `REG_DWORD` value directly under `HKLM\SOFTWARE\Policies\Claude` causes the app to ignore user policy entirely. In the diagnostic report (**Help → Troubleshooting → Generate Diagnostic Report**, then **Export to file**), `managed-config.txt` shows which keys the app read and lists under `Parse errors` any machine-policy values it could not use. A `REG_EXPAND_SZ` value shows as present in `reg query` output while the app reports the managed configuration as invalid or absent, because the app counts the value as machine policy but cannot read its contents
106* On Windows (v1.19367.0 and later), the configuration is in `HKCU\SOFTWARE\Policies\Claude` but machine policy is also present: any `REG_SZ`, `REG_EXPAND_SZ`, or `REG_DWORD` value directly under `HKLM\SOFTWARE\Policies\Claude` causes the app to ignore user policy entirely. In the diagnostic report (**Help → Troubleshooting → Generate Diagnostic Report**, then **Export to file**), `managed-config.txt` shows each key's configured or default value and lists under `Parse errors` any machine-policy values it could not use. A `REG_EXPAND_SZ` value shows as present in `reg query` output while the app reports the managed configuration as invalid or absent, because the app counts the value as machine policy but cannot read its contents
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108108If the app shows a configuration error instead, it read the configuration but can't use it. For example, a required key for the chosen provider is missing or invalid, or a macOS configuration profile, Windows policy under `HKLM`, or the root-owned policy file on Linux sets [`inferenceProvider`](/docs/third-party/claude-desktop/configuration#inferenceprovider) to a value the app doesn't recognize. Check **Help → Troubleshooting** or the application log at `~/Library/Logs/Claude-3p/main.log` (macOS) / `%LOCALAPPDATA%\Claude-3p\Logs\main.log` (Windows).
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