diff --git a/docs/debug-common_problems.md b/docs/debug-common_problems.md
index cf712e11c..86e92b6d6 100644
--- a/docs/debug-common_problems.md
+++ b/docs/debug-common_problems.md
@@ -67,5 +67,11 @@ To enable telnet on a Windows after Vista please check this [guide](https://soci
 dism /online /Enable-Feature /FeatureName:TelnetClient
 ```
 
+## Inotify instance limit for user 5000 (UID vmail) exceeded ([Issue #453](https://github.com/mailcow/mailcow-dockerized/issues/453#issuecomment-314711232))
+
+Docker containers use the Docker hosts inotify limits. Setting them on your Docker host will pass them to the container.
+
+
+
 
 [^1]: [netcat](https://linux.die.net/man/1/nc), [nmap](https://linux.die.net/man/1/nmap), [openssl](https://wiki.openssl.org/index.php/Manual:S_client(1)), [telnet](https://linux.die.net/man/1/telnet), etc.