Session watchdog read error. Status description = 'The operation timed out', Status code - 0X800A000

[JM_10762926]

After installation of windows patch KB5028623/KB5023788, Kepware is giving intermittent error. We trying refresh by re-importing tags and kepware starts showing good values.

[VladimirN · Accepted solution]

Article - "Error code 0X800A0000 is reported for Polled reads and Bad tag quality is returned in OPC UA Client driver in PTC Kepware products": https://www.ptc.com/en/support/article/CS382411

[JM_10762926]

Thanks that will help.

We noticed that Virtual Machine Backups happening at same time also caused this errors.

[MRohilla]

Greetings,

Does this Post answers your question?  For the benefit of other Community Members who may have the same question, it would be great if you could designate it as the Accepted Solution.

In the event that this response did not answer your question, please post your current status so that we can continue to support.

Thanks for using the PTC Community!
 

Regards,
Mohit

[MRohilla]

Greetings,

Since your question has been answered I have marked the appropriate response as the solution to your post. If you disagree with my choice please let me know. 

Regards,

Mohit