Unable to make the session state request to the session state server

Question

Our site is currently having this problem  Basically it only happen when we click some particular links where it will pop-up a new window  This is the error message we receive       Unable to make the session state request to the session state server     Please ensure that the ASP NET State service is started and that   the client and server ports are the same   If the server is on a   remote machine  please ensure that it accepts remote requests by   checking the value of   HKEY LOCAL MACHINE SYSTEM CurrentControlSet Services aspnet state Parameters AllowRemoteConnection     If the server is on the local machine  and if the before   mentioned registry value does not exist or is set to 0  then the state   server connection string must use either  localhost  or  127 0 0 1  as   the server name  target site   Void   MakeRequest StateProtocolVerb  System String  StateProtocolExclusive    Int32  Int32  Int32  Byte    Int32  Int32  SessionNDMakeRequestResults   ByRef    this is the webconfig that contain sessionstate tag     lt sessionState mode  StateServer  timeout  45    gt   I have check the ASP NET State Service  and it is currently started and set to automatic  I have set the registry stated in the error message to 1  but still not working

User · Answer

One of my clients was facing the same issue  Following steps are taken to fix this      1  Open Run      2  Type Services msc    3  Select ASP NET State Service    4  Right Click and Start it

User · Answer

Not the best answer  but it s an option anyway      Comment the given line in the web config

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Another thing to check is whether you have Windows Firewall enabled  since that might be blocking port 42424

User · Answer

Check that   stateConnectionString  tcpip server port    is correct  Also please check that default port  42424  is available and your system does not have a firewall that is blocking the port on your system

User · Answer

If you need to change HKEY LOCAL MACHINE SYSTEM CurrentControlSet Services aspnet state Parameters AllowRemoteConnection to 1  remember to restart the ASP net state service after you change the parameter

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I recently ran into this issue and none of the solutions proposed fixed it  The issue turned out to be an excessive use of datasets stored in the session  There was a flaw in the code that results in the session size to increase 10x   There is an article on the msdn blog that also talks about this  http   blogs msdn com b johan archive 2006 11 20 sessionstate-performance aspx  I used a function to write custom trace messages to measure the size of the session data on the live site

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I ve had the same issue when some ASP NET installation was corrupted  In that case they suggest running aspnet regiis -i -enable

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Start     Administrative Tools      Services Right-click on the ASP NET State Service and click    start      Additionally you could set the service to automatic so that it will work after a reboot

User · Answer

I ve found that some developers will for some reason define the server s private IP outside of IIS in an unexpected location  like a nonstandard config file  i e  not web config  or a text file  This can cause internal operation to fail even when the service is started  ports aren t being blocked  reg keys are correct  etc   Kaseya  in particular  places a file called serveripinternal txt in the root IIS directory of the VSA server  I ve seen the text of your error when somebody running their own Kaseya instance changed the server s internal IP  The server will be reachable  IIS will respond  and the login page will come up - but login will fail with the cited message

User · Answer

Type Services msc in run panel of windows run window  It will list all the windows services in our system  Now we need to start Asp  net State service as show in the image   Your issue will get resolved

[asp.net] Unable to make the session state request to the session state server

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