KB Article “VMware vCenter Update Manager host tasks might fail in slow networks” Published

Simplify management of VMware vSphere by automating patches and updates. VMware vCenter Update Manager makes it easy to manage tracking and patching of VMware vSphere hosts, as well as selected Windows virtual machines. A new KB article, “VMware vCenter Update Manager host tasks might fail in slow networks", is now available.

If you run VMware vCenter Update Manager over a low-bandwidth, high-latency, or lossy network, host operations might time out or fail. These operations include host patch and extension scanning, staging, and remediation, as well as host upgrade remediation tasks. Timeout might also occur under normal network conditions if the Update Manager operation takes more than 15 minutes to complete.

The task timeout or failure might occur because of the following reasons:

  • The connection to the Update Manager server times out.
  • The connection to vCenter Server times out.

This article introduces the methods of setting timeouts for various releases of Update Manager, and estimating timeouts for host tasks.


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