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Webclient timeout

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Posted on by JamesCairath

Hi,

Iam using BC v16, i try to set timeout for webclient to 2H, but actualy after 20-30 minutes i get this Message

"Business central we paused while you were away. please refresh to continue"

Here is Administration setting - i try many combinations, i knohw that 2h keep alive interval is nonsence, when reconnect Period is MaxValue, but still i tried

And setting in NavSettings.json "SessionTimeout": "02:00:00", (I changed it manualy and try with powershell, everytime same result)

i already read

https://docs.microsoft.com/en-us/dynamics365/business-central/dev-itpro/administration/understanding-session-timeouts

but it didnt help me.

Can you give me some advice, what next i need to set? In older version, it worked fine....

Thank you for your help

Karel Koncel

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JamesCairath 30 on at

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Additional information - Its on azure enviroment - on premise. But i have sometimes same error with onpremise on our servers

Both Windows server 2019...

And in event viewer are this warnings - not sure if it have something in common...

Prod.Client.WebCoreApp.ReliableMessagingHubMiddleware

SignalR. Large count of messages in the queue (50).

or this

Unable to redirect to retrieve authorization code. TokenAuthority: 'login.windows.net/common', ClientID: ''

Or this error

Error accessing Website

Unhandled error occurred on a browser or device client:

{

"clientInfo": {

"platform": "Win32",

"userAgent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.82 Safari/537.36",

"browserLanguage": "cs-CZ"

},

"message": "Promise rejection.",

"errorType": {

"callbackServerDuration": 10034.185000000405,

"callbackClientDuration": 506.35999999940395

},

"pageUrl": "bc.vafo.cz:444/.../

"detailedMessage": "unhandledrejection",

"silent": true

}

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Marco Mels on at

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Hello,

Can you verify if the session is really lost via SQL OnPrem?

Thanks.

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JamesCairath 30 on at

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No session was lost on SQL, I check it on test database where was together 3 sessions... and after message about Pausing, no session was lost...

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Marco Mels on at

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Hello,

I think you ran into a by design scenario. You can easily reconnect.

Thanks.

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JamesCairath 30 on at

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What do you mean by design scenario? That this message cannot be canceled?

I dont want any message like this

"Business central we paused while you were away. please refresh to continue"

I want to set 2h client timeout and till the end of this time i want do be system ready all the time...No pausing and other weird stuff...

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Hans-Ole 15 on at

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We are experiencing exact same problem. Our clients users quickly loose connection for printing and for read / write towards local storage.
If log off and back on, everything is OK.
The client is on-prem, very latest version 17,5. (17,3/4) same issue.
What will be the best settings for not getting disconnected during work hours.

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Marco Mels on at

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Hello,

Unfortunately, if the page ((not the session) times out it will show this message. You can vote for this idea though to move it up on the priority list:

experience.dynamics.com/.../

Thanks.

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JamesCairath 30 on at

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So problem is at WebClient and till now it wasnt repaired?

And this timeout cannot be changed?

Is there any Workaround how to solve this?

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Marco Mels on at

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Hello,

That is correct, it is a feature suggestion you can vote for to have it addresses earlier by our product team.

Thanks.

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Peter R. Linnet 9 on at

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Hi.

So having the same issue on several different OnPrem setups (on BC16.4, but I don't think that's relevant).

I don't see how adding a trigger as per the suggestion would solve the nuisance of unintentional page timouts. This must be a platform thing, requiring a platform fix.

In our experience, this is ANY page at ANY time out: less than a minute, 5 minutes, 20-30 min as OP stated or 1 hr or most often not at all (we set the "IdleClientTimeout" to MaxValue and "SessionTimeout" to 2 hrs).

Something is causing this. And the introduction of a "PageTimeout"? Where? and why would it occur at random intevals on the same page? I made a point of tracking the Item List page on several tenants in the same multi-tenant environment and get random timeouts between 5 minutes (very rarely) and between 20 mins and 2 hrs for 2-3 sessions out of 10.

Have anyone discovered any explanation for this behavour? Or even better: a workaround?

Regards,

Peter.

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