This is documentation for the next version of Grafana Mimir documentation. For the latest stable release, go to the latest version.
About Grafana Mimir tenant IDs
Within a Grafana Mimir cluster, the tenant ID is the unique identifier of a tenant. For information about how Grafana Mimir components use tenant IDs, refer to Authentication and authorization.
Restrictions
Tenant IDs must be less-than or equal-to 150 bytes or characters in length and can only include the following supported characters:
- Alphanumeric characters- 0-9
- a-z
- A-Z
 
- Special characters- Exclamation point (!)
- Hyphen (-)
- Underscore (_)
- Single period (.)
- Asterisk (*)
- Single quote (')
- Open parenthesis (()
- Close parenthesis ())
 
- Exclamation point (
Note
For security reasons,
.and..aren’t valid tenant IDs.
Note
__mimir_clusterisn’t a valid tenant ID because Mimir uses the name internally.
All other characters, including slashes and whitespace, aren’t supported.






