Appian Cloud Site Maintenance

This page applies to Appian Cloud only. It may not reflect the differences with Appian Government Cloud.

As part of the Appian Cloud service, it is necessary to schedule various types of maintenance windows in order to keep Appian Cloud sites and their supporting infrastructure up to date and secure. This topic explains the different types of maintenance windows so that Appian Cloud customers can prepare accordingly.

It is important to ensure Appian's maintenance communications are not filtered out by your email client or service. Make sure: support@appian.com is part your list of safe senders.

Authorized Technical Support Contacts are notified about maintenance activities via email. Customers can designate other users who also need to be notified about maintenance activities, or even distribution lists instead of individual email addresses for this purpose (e.g. appianadmins@mycompany.com). Instructions for adding or removing additional maintenance notification recipients are detailed in Knowledge Base article KB-1934.

Site Maintenance

Site maintenance activities are performed at least on a quarterly basis to address specific defects, or to deploy patches to supporting applications (e.g. OS security patches, Java patch updates, etc.)

  • Authorized Technical Support Contacts are notified in advance about the exact date, time and duration of maintenance windows affecting their sites via email.
  • These scheduled activities may require downtime. This is clarified in the email sent prior to the maintenance window.
  • Changes deployed in these maintenance windows do not introduce new functionality beyond defect fixes.
  • Separate email notifications are sent upon completion of the maintenance activities for each one of the affected sites.

For customers who stay current with Appian's quarterly releases, there will likely be no need for additional patching maintenance windows, unless there are critical security patches that can't wait until the next upgrade cycle.

Infrastructure Maintenance

Infrastructure maintenance activities are performed at least on a quarterly basis to deploy important security updates to servers in our shared infrastructure.

  • Authorized Technical Support Contacts are notified in advance about the exact date, time and duration of maintenance windows affecting their sites via email.
  • Infrastructure maintenance activities generally do not require any downtime and have a short duration. This is clarified in the email sent prior to the maintenance window. Infrastructure maintenance windows affect multiple sites at once, since they require work in - Appian Cloud's shared server infrastructure. Consequently, there's no flexibility to reschedule these maintenance windows. However, Appian makes all efforts to schedule this work outside business hours for the affected region, as well as to avoid any service degradation.
  • Separate email notifications are sent upon completion of the maintenance activities for each one of the affected sites.

Platform Upgrades

Each time a new Appian release is available; Appian Cloud customers can take advantage of the latest features, enhancements, and innovations available in the new version within days. Appian has new releases available on a quarterly basis.

  • Authorized Technical Support Contacts are notified in advance about the exact date, time and duration of the maintenance window to upgrade their sites via email.
  • The email notification also includes a link to the release notes where customers can find detailed information regarding the functionality included in the new release.
  • Customers for whom the proposed upgrade schedule won't work or want to do a staged rollout as opposed to converting all sites at once, can adjust their upgrade schedule directly from the Cloud Installation site. Refer to the following KB article for detailed instructions.
  • Separate email notifications are sent upon completion of the maintenance activities for each one of the affected sites.

Critical Maintenance

Critical maintenance is performed in the unlikely event that a critical issue, which may impact the stability or security of your site, is discovered and must be addressed immediately.

  • Authorized Technical Support Contacts are notified in advance about the exact date, time and duration of maintenance windows affecting their sites via email.
  • Appian notifies customers as far in advance as possible. However, for this type of maintenance, notifications may be sent the same day that the maintenance will be performed.
  • The email describes whether downtime is expected during the maintenance window.
  • Unless the issue is preventing users from accessing the site or preventing them from using major functionality in your applications, critical maintenance activities are performed outside of regular business hours to minimize impact on end users of the system.
  • Separate email notifications are sent upon completion of the maintenance activities for each one of the affected sites.
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