Nokia Maps: “Maximum number of connections in use”

Ever come across this error?

As shown on the image to the left, the full error message is actually: “Maximum number of connections in use. Please close an active connection first.”.

It is fairly common and is caused by a restriction on the number of network connections a S60 handset will handle simultaneously. The site where I picked up the image shown on the left, suggests to press and hold the red “End Call” key, until the handset asks you if you want to “End packet data connection?”.

However, I recently managed to run into it in circumstances where the actual cause of the error was less obvious.

The thing is, not only do I switch handset a lot – I also switch around SIM cards between the handsets I use.

Apparently, this switching back and forth SIM cards recently got Nokia Maps all confused, and triggered the “Maximum number of connections in use. Please close an active connection first.” error. It took me a while to figure out what was wrong, but here it is:

When Nokia Maps is used, several network connections are used and in principle, different access points can be used for these connections. For things to actually work and because of the OS restriction on simultaneously network connections, the one and same access point must be used.

Nokia Maps uses a connection for Assisted GPS (A-GPS) data communication – the access point to use for this network connection is specified in the general phone settings, under “Main menu” | “Tools” | “Settings” | “Phone sett.” | “General” | “Positioning” | “Positioning server” | “Access point”.

Nokia Maps also uses a network connection for online searches and downloading map data. The access point to use for this connections is specified from with Nokia Maps itself – under “Options” | “Tools” | “Settings” | “Internet” | “Network destination” (FP2) (“Default access point” (FP1)).

It is perfectly ok to assign different access points for these two connection types, but for Nokia Maps to function properly – and to avoid the “Maximum number of connections in use. Please close an active connection first.” error – you have to make sure you actually use the one and same access point.

What botched up things for me, when I switched SIM cards, was that Nokia Maps prompted me to choose a new access point for one of the network connections (because I switched to another operator), but the other one was left at the previously assigned access point.

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