# \#support

**URL:** https://community.neo4j.com/tag/support/154.md

[Latest](https://community.neo4j.com/latest.md) · [Categories](https://community.neo4j.com/categories.md) · [Tags](https://community.neo4j.com/tags.md)

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## [Certification sandbox doesn't work](https://community.neo4j.com/t/certification-sandbox-doesnt-work/75942)

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**Author:** [@luca.mombelli](https://community.neo4j.com/u/luca.mombelli)\
**Replies:** 0\
**Last updated:** [November 20, 2025, 11:44am UTC](https://community.neo4j.com/t/certification-sandbox-doesnt-work/75942 "2025-11-20T11:44:16Z")

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Hello, I have a problem regarding the certification exam. As you can see from the screenshot, my certification sandbox is stuck on this connection screen and I cannot proceed any further. I have tried several times to …

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## ["Failed to Link Accounts" Error message](https://community.neo4j.com/t/failed-to-link-accounts-error-message/75821)

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**Author:** [@trisha.m](https://community.neo4j.com/u/trisha.m)\
**Replies:** 1\
**Last updated:** [November 5, 2025, 6:38pm UTC](https://community.neo4j.com/t/failed-to-link-accounts-error-message/75821 "2025-11-05T18:38:42Z")

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Hi there, I was recently given access to an Aura instance through my company, but when I logged in for the first time, I created a new account instead of logging in with SSO. Now, when given the option to link the 2 acco…

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## [No documentation for APOC 3.5 anywhere to be found](https://community.neo4j.com/t/no-documentation-for-apoc-3-5-anywhere-to-be-found/46193)

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**Author:** [@deemeetree](https://community.neo4j.com/u/deemeetree)\
**Replies:** 0\
**Last updated:** [October 21, 2021, 9:48am UTC](https://community.neo4j.com/t/no-documentation-for-apoc-3-5-anywhere-to-be-found/46193 "2021-10-21T09:48:12Z")

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I was trying to find documentation for APOC 3.5 but in the best traditions of Neo4J it looks like the older versions are simply not supported. When I go to Neo4j APOC Procedures User Guide I see that the page has moved …

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## [Helpful Commands When Supporting Neo4j](https://community.neo4j.com/t/helpful-commands-when-supporting-neo4j/261)

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**Author:** [@david\_gordon1](https://community.neo4j.com/u/david_gordon1)\
**Replies:** 0\
**Last updated:** [August 23, 2018, 2:27am UTC](https://community.neo4j.com/t/helpful-commands-when-supporting-neo4j/261 "2018-08-23T02:27:20Z")

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Top 50 Slowest queries from Query log: grep -i "INFO" query.log | sort -r -n -k 4 | head -50 \> long\_queries.log Find Longest GC Pauses in debug or messages log: grep -n -i blocked debug.log | sort -r -n -k 11 | head -…