Update troubleshooting-installations.md

This disclaimer is important as reports generated for AB tests can causes sites to crash due to highload on DTU

Author: JonathanHBokio

13/umbraco-engage/getting-started/for-developers/troubleshooting-installations.md

@@ -47,10 +47,13 @@ await app.BootUmbracoAsync();
 
 #### When running on Azure SQL tier lower than S3
 
+```
+DISCLAIMER: When running Azure SQL on lower tiers and querying columnstore indexes, performance may significantly decrease. Depending on the amount of data being processed, this can also lead to timeouts. We do not reccommend doing this on production level sites 
+```
 Azure SQL lower than S3 doesn't support creating COLUMN STORE indexes. To work around this follow these steps: 
 
 1. Scale your Azure SQL environment to S3.
 2. Restart the site.
 3. Scale back to your initial Azure SQL tier.
 
-The COLUMN STORE indexes are created and can be used in a lower tier.
+The COLUMN STORE indexes are created and can be used in a lower tier.