Showing 'documentUltimate' watermark in middle of PDF document when deployed
Problem reported by Prasad Kulkarni - 9/13/2017 at 12:19 AM
Dear team
i have purchased licensed version of document ultimate, still when i deployed it on server  and try to preview my document from asp.net, it shows  'documentUltimate' watermark in middle of PDF document when deployed
How to remove it ?

7 Replies

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harry Replied
Any answer for this?
Vinay B R Replied
Did this issue get resolved, facing a similar issue
Cem Alacayir Replied
Employee Post Marked As Resolution
For future reference:
"DocumentUltimate" watermark means your license key is not accepted and you are in unlicensed mode. For example it would appear if you updated the product (new DLLs) when you are still using your old license key with it.

We usually change license keys when we release major version (e.g. from 3.0 to 4.0).
So when updating your version you should also check your license key here (usually not required for minor versions e.g. from 3.0 to 3.5):
We also announce in the version history when the license key are changed.

Depending on your purchase date, you may already be eligible for a free key for the new version. You can check this availability by entering your existing key on the above Upgrade page. If you are not provided with a free key, then you can buy a new key with the discounted upgrade price on the same page.

License keys are bound to a version range.
So for example if you have v2.x license key, you can't use it with v4.x product.
Note that you can continue to use v2.x license key with v2.x product, if you don't want to update the product.

Anonymous I Replied
I have an enterprise license key and I verified it too. Yet, the watermark appears for an application deployed in a particular server. For other applications deployed on various servers, it works fine.

Please help me out.
Anonymous I Replied
Does anybody know how to resolve the above one?
Cem Alacayir Replied
Employee Post
Note that setting the license key in Web.config will silently fail if it’s invalid or it's not accepted.
However when you set it in code, it will throw an exception if it’s invalid or it's not accepted..

The version of your license key important. We usually change license keys for major versions. For example, you can't use a v4.x license key with 5.x, you need to purchase an upgrade and get a new v5.x license.
You can find out your license version here:

Usually old version of the product should accept a new key (not vice versa) but if you have a problem, use the key for that version.
Anonymous I Replied
Thanks :)

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