Geo Replication Redis Linking

Question

We are trying to connect the following 2 Redises:
tp-yyy-weu-xxxx
and tp-yyy-neu-xxxxx
but get link provisoning has failed without an indicative error.

Answer 1

Hi Milana Yakubov,Welcome to the Microsoft Q&A and thank you for posting your questions here.
I have moved the links shared by you to Private messages.

When linking two Azure Cache for Redis instances, the error “Link provisioning has failed” without details usually indicates a configuration mismatch.

Please check and ensure the following are in place.

1. Tier & Settings Match: Both caches must be Premium tier, same Redis version, TLS settings, and clustering configuration.
2. Access Keys: Geo-replication requires identical primary and secondary access keys. Regenerate keys if needed so both caches share the same key.
3. Network Connectivity
   • If using VNets, ensure both VNets allow traffic between caches.
   • If firewalls or private endpoints are enabled, allow port 6380.

Validate the above settings. Retry linking via PowerShell for better error details

New-AzRedisCacheLink -PrimaryCacheId <primaryResourceId> -SecondaryCacheId <secondaryResourceId>

Learn more here from this relevant Microsoft Learn document: https://learn.microsoft.com/en-us/azure/azure-cache-for-redis/cache-how-to-geo-replication

I hope this information is helpful! If you still have questions, please let us know what is needed in the comments so the question can be answered.

Thanks,

Abhisek