The returned connection object should not be used directly; instead it should be passed as an argument to the constructor of VmMigrationClient.
The optional options argument may be used to configure aspects of the returned VmMigrationConnection. Expected options are any of the types in the following option lists:
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-14 UTC."],[[["\u003cp\u003eThe latest release candidate version for VM Migration is 2.37.0-rc, while the most recent stable version is 2.36.0, and the webpage details versions ranging from 2.11.0 to 2.37.0-rc.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eVmMigrationClient\u003c/code\u003e class is used for interacting with the VM Migration Service, while \u003ccode\u003eVmMigrationConnection\u003c/code\u003e is the corresponding connection object.\u003c/p\u003e\n"],["\u003cp\u003eThe page provides different classes for configuring retry policies, such as \u003ccode\u003eVmMigrationLimitedErrorCountRetryPolicy\u003c/code\u003e, \u003ccode\u003eVmMigrationLimitedTimeRetryPolicy\u003c/code\u003e, and \u003ccode\u003eVmMigrationRetryPolicy\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe page outlines struct types for configuring various policy options like backoff, idempotency, polling, and retry policies, including \u003ccode\u003eVmMigrationBackoffPolicyOption\u003c/code\u003e, \u003ccode\u003eVmMigrationConnectionIdempotencyPolicyOption\u003c/code\u003e, \u003ccode\u003eVmMigrationPollingPolicyOption\u003c/code\u003e, and \u003ccode\u003eVmMigrationRetryPolicyOption\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eMakeVmMigrationConnection\u003c/code\u003e function creates a \u003ccode\u003eVmMigrationConnection\u003c/code\u003e object, which can be configured with a variety of options, and is used to configure a \u003ccode\u003eVmMigrationClient\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,["# Namespace google::cloud::vmmigration_v1 (2.19.0)\n\nVersion 2.19.0keyboard_arrow_down\n\n- [2.42.0-rc (latest)](/cpp/docs/reference/vmmigration/latest/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.41.0](/cpp/docs/reference/vmmigration/2.41.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.40.0](/cpp/docs/reference/vmmigration/2.40.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.39.0](/cpp/docs/reference/vmmigration/2.39.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.38.0](/cpp/docs/reference/vmmigration/2.38.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.37.0](/cpp/docs/reference/vmmigration/2.37.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.36.0](/cpp/docs/reference/vmmigration/2.36.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.35.0](/cpp/docs/reference/vmmigration/2.35.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.34.0](/cpp/docs/reference/vmmigration/2.34.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.33.0](/cpp/docs/reference/vmmigration/2.33.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.32.0](/cpp/docs/reference/vmmigration/2.32.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.31.0](/cpp/docs/reference/vmmigration/2.31.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.30.0](/cpp/docs/reference/vmmigration/2.30.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.29.0](/cpp/docs/reference/vmmigration/2.29.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.28.0](/cpp/docs/reference/vmmigration/2.28.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.27.0](/cpp/docs/reference/vmmigration/2.27.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.26.0](/cpp/docs/reference/vmmigration/2.26.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.25.1](/cpp/docs/reference/vmmigration/2.25.1/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.24.0](/cpp/docs/reference/vmmigration/2.24.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.23.0](/cpp/docs/reference/vmmigration/2.23.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.22.1](/cpp/docs/reference/vmmigration/2.22.1/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.21.0](/cpp/docs/reference/vmmigration/2.21.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.20.0](/cpp/docs/reference/vmmigration/2.20.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.19.0](/cpp/docs/reference/vmmigration/2.19.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.18.0](/cpp/docs/reference/vmmigration/2.18.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.17.0](/cpp/docs/reference/vmmigration/2.17.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.16.0](/cpp/docs/reference/vmmigration/2.16.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.15.1](/cpp/docs/reference/vmmigration/2.15.1/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.14.0](/cpp/docs/reference/vmmigration/2.14.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.13.0](/cpp/docs/reference/vmmigration/2.13.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.12.0](/cpp/docs/reference/vmmigration/2.12.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n- [2.11.0](/cpp/docs/reference/vmmigration/2.11.0/namespacegoogle_1_1cloud_1_1vmmigration__v1) \n\nClasses\n-------\n\n### [VmMigrationClient](/cpp/docs/reference/vmmigration/2.19.0/classgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationClient)\n\nVM Migration Service.\n\n### [VmMigrationConnection](/cpp/docs/reference/vmmigration/2.19.0/classgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationConnection)\n\nThe [`VmMigrationConnection`](/cpp/docs/reference/vmmigration/2.19.0/classgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationConnection) object for [`VmMigrationClient`](/cpp/docs/reference/vmmigration/2.19.0/classgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationClient).\n\n### [VmMigrationConnectionIdempotencyPolicy](/cpp/docs/reference/vmmigration/2.19.0/classgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationConnectionIdempotencyPolicy)\n\n### [VmMigrationLimitedErrorCountRetryPolicy](/cpp/docs/reference/vmmigration/2.19.0/classgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationLimitedErrorCountRetryPolicy)\n\nA retry policy for [`VmMigrationConnection`](/cpp/docs/reference/vmmigration/2.19.0/classgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationConnection) based on counting errors.\n\n### [VmMigrationLimitedTimeRetryPolicy](/cpp/docs/reference/vmmigration/2.19.0/classgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationLimitedTimeRetryPolicy)\n\nA retry policy for [`VmMigrationConnection`](/cpp/docs/reference/vmmigration/2.19.0/classgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationConnection) based on elapsed time.\n\n### [VmMigrationRetryPolicy](/cpp/docs/reference/vmmigration/2.19.0/classgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationRetryPolicy)\n\nThe retry policy for [`VmMigrationConnection`](/cpp/docs/reference/vmmigration/2.19.0/classgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationConnection).\n\nStructs\n-------\n\n### [VmMigrationBackoffPolicyOption](/cpp/docs/reference/vmmigration/2.19.0/structgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationBackoffPolicyOption)\n\nUse with [`google::cloud::Options`](https://cloud.google.com/cpp/docs/reference/common/latest/classgoogle_1_1cloud_1_1Options.html) to configure the backoff policy.\n\n### [VmMigrationConnectionIdempotencyPolicyOption](/cpp/docs/reference/vmmigration/2.19.0/structgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationConnectionIdempotencyPolicyOption)\n\nUse with [`google::cloud::Options`](https://cloud.google.com/cpp/docs/reference/common/latest/classgoogle_1_1cloud_1_1Options.html) to configure which operations are retried.\n\n### [VmMigrationPollingPolicyOption](/cpp/docs/reference/vmmigration/2.19.0/structgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationPollingPolicyOption)\n\nUse with [`google::cloud::Options`](https://cloud.google.com/cpp/docs/reference/common/latest/classgoogle_1_1cloud_1_1Options.html) to configure the long-running operations polling policy.\n\n### [VmMigrationRetryPolicyOption](/cpp/docs/reference/vmmigration/2.19.0/structgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationRetryPolicyOption)\n\nUse with [`google::cloud::Options`](https://cloud.google.com/cpp/docs/reference/common/latest/classgoogle_1_1cloud_1_1Options.html) to configure the retry policy.\n\nFunctions\n---------\n\n### MakeVmMigrationConnection(Options)\n\nA factory function to construct an object of type [`VmMigrationConnection`](/cpp/docs/reference/vmmigration/2.19.0/classgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationConnection). \nThe returned connection object should not be used directly; instead it should be passed as an argument to the constructor of [VmMigrationClient](/cpp/docs/reference/vmmigration/2.19.0/classgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationClient).\n\nThe optional `options` argument may be used to configure aspects of the returned [`VmMigrationConnection`](/cpp/docs/reference/vmmigration/2.19.0/classgoogle_1_1cloud_1_1vmmigration__v1_1_1VmMigrationConnection). Expected options are any of the types in the following option lists:\n\n- [`google::cloud::CommonOptionList`](https://cloud.google.com/cpp/docs/reference/common/latest/namespacegoogle_1_1cloud.html)\n- [`google::cloud::GrpcOptionList`](https://cloud.google.com/cpp/docs/reference/common/latest/namespacegoogle_1_1cloud.html)\n- [`google::cloud::UnifiedCredentialsOptionList`](https://cloud.google.com/cpp/docs/reference/common/latest/namespacegoogle_1_1cloud.html)\n- [`google::cloud::vmmigration_v1::VmMigrationPolicyOptionList`](/cpp/docs/reference/vmmigration/2.19.0/namespacegoogle_1_1cloud_1_1vmmigration__v1)\n\n| **Note:** Unexpected options will be ignored. To log unexpected options instead, set `GOOGLE_CLOUD_CPP_ENABLE_CLOG=yes` in the environment.\n\n### MakeDefaultVmMigrationConnectionIdempotencyPolicy()\n\nType Aliases\n------------\n\n### VmMigrationPolicyOptionList\n\n**Alias Of** : `OptionList\u003c VmMigrationRetryPolicyOption, VmMigrationBackoffPolicyOption, VmMigrationPollingPolicyOption, VmMigrationConnectionIdempotencyPolicyOption \u003e` \nThe options applicable to VmMigration."]]
