Required Editions and User Permissions.
- From Setup, in the Quick Find box, enter Sandboxes, and then select Sandboxes.
- Next to the name, click Refresh.
- Review the Name, Description, and Create From values, and edit these values if needed.
- Select the type of sandbox environment you want.
- Select the data you want to copy.
- To activate your sandbox immediately after you refresh it, select Auto Activate. In this case, you don’t receive an activation email.
- Click Create.
- Refreshing your sandbox can move it to a different Salesforce instance. For example, the sandbox can move from CS40 to CS50. If you’re subscribed to ...
Full Answer
What happens when I refresh an instance in Salesforce?
During an instance refresh, app servers will be unavailable, and email will be held on the Salesforce mail servers. Once the new instance is activated, new mail will to be delivered immediately and queued mail will be delivered upon its next retry.
How do I enable persistent browser caching in Salesforce Lightning?
Session Caching Click through Setup > Session Settings > Caching and deselect Enable secure and persistent browser caching to improve performance. This is an Org-wide setting so it will affect all users. 2. Debug Mode Click through Setup > Custom Code > Lightning Component > Debug Mode, then check the box next to your user and click Enable.
How do I refresh a sandbox with custom domains?
If custom domains are associated with your sandbox, before you refresh it, review Considerations for Custom Domains in Sandboxes. From Setup, in the Quick Find box, enter Sandboxes, and then select Sandboxes. A list of your sandboxes appears. Sandboxes that you can refresh have a Refresh link next to their name.
How do I Activate my Salesforce sandbox?
Salesforce starts copying data to the sandbox. If you didn’t select Auto Activate while refreshing your sandbox, Salesforce sends you an email when your sandbox is ready to activate. Was this information helpful?
How do I refresh my DNS cache?
However, the message at the end varies and may require admin intervention.Click the Start button. ... Click All Programs > Accessories.Select Command Prompt.In the command prompt window, type ipconfig /flushdns.Press Enter.You should see a message confirming that the DNS Resolver Cache was successfully flushed.
How do I flush DNS cache on domain controller?
SolutionOpen the DNS Management snap-in.Right-click on DNS in the left pane and select Connect to DNS Server.Enter the server you want to connect to and click Enter.Right-click on the server and select Clear Cache.
How often does the DNS cache refresh?
When a DNS client creates a record, it is assigned a timestamp. The DNS client attempts to refresh this record every 24 hours. Unless the record is changed (for example, the client receives a new IP address), the timestamp cannot be refreshed for a default period of seven days.
What is Salesforce DNS?
What is DNS? Every Internet activity starts by requesting information about a domain name, such as salesforce.com, usually as part of a URL such as https://salesforce.com. The information is then used to establish the connection to carry data back and forth between the client and server.
How do I clean my DNS records?
Click on the zone, and in the display pane, click Current view. Click Resource Records. In the display pane, locate and select the resource records that you want to delete. Right-click the selected records, and then click Delete DNS resource record.
Does DNS cache flush automatically?
The DNS cache doesn't ever flush, unless you explicitly tell it to or you make a DNS/networking related configuration change. DNS records have a Time To Live (TTL) value associated with them which tells a DNS cache how long the particular record is good for. Records in the cache are kept for their TTL, then re-queried.
Does reboot clear DNS cache?
All replies. A DNS Server's cache is cleared at reboot. Other than that you can manually clear the cache at any time by using the DNS Admin console. If you leave the cache alone, the individual records are removed from the DNS cache as the TTL (time-to-live) expires.
What is DNS outage?
The DNS outage (a.k.a. DNS downtime or DNS failure) is a period of time when the domain name can't be resolved to its IP address.
What caused the Salesforce outage?
Many named services failed to restart, causing widespread disruption for Salesforce customers. A lack of automation with safeguards for DNS changes to protect against unforeseen incidents was a contributing factor for the outage, along with insufficient guardrails to enforce the change management process.
What is FQDN in Salesforce?
Salesforce validates ownership based on the fully qualified domain name (FQDN) you use when adding a domain to your org. Salesforce has three different ways to validate an FQDN using the domain name system (DNS). Only one method is required to add the domain to your org.
How to refresh your local DNS cache
A DNS cache is a temporary database, maintained by a computer’s operating system, that contains records of all the recent visits and attempted visits to different websites. In other words, a DNS cache is just a memory of recent DNS lookups that your computer/device can quickly refer to when it’s trying to figure out how to load a website.
NSCD – Name Server Cache Daemon
If you are running the nscd Name Service Cache Daemon and wish to flush your DNS cache, then you will need to do the following:
systemd
If you are running a system that uses systemd, in order to flush your DNS cache then you will need to run the following:
