<div dir="ltr"><div>Good afternoon,</div><div><br></div>I work on windows with qgis 3.16.6 and postgresql/postgis. <br>I have shared a qgis project to several users. The layers are postgis tables. For some time, whenever an user opens the project, it has been constantly asked for a double authentication (id / pswd).<br>Would somebody knows why and how to make so that there is as before a single request for authentication?<br><br>I paste below the header of my qgs project opened with a text editor; confidential content is replaced by XXXXX :<div><br></div><pre class="gmail-lang-sql gmail-s-code-block" style="margin-top:0px;margin-bottom:0px;padding:12px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;line-height:1.30769;font-size:13px;vertical-align:baseline;box-sizing:inherit;width:auto;max-height:600px;overflow:auto;border-radius:5px"><code class="gmail-hljs gmail-language-sql" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit;background-color:transparent;white-space:inherit"><span class="gmail-hljs-operator" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit"><</span><span class="gmail-hljs-operator" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit">!</span>DOCTYPE qgis PUBLIC <span class="gmail-hljs-string" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit">'<a href="http://mrcc.com/qgis.dtd">http://mrcc.com/qgis.dtd</a>'</span> <span class="gmail-hljs-string" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit">'SYSTEM'</span><span class="gmail-hljs-operator" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit">></span>
<span class="gmail-hljs-operator" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit"><</span>qgis saveDateTime<span class="gmail-hljs-operator" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit">=</span>"2021-11-25T15:26:51" saveUser<span class="gmail-hljs-operator" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit">=</span>"XXXXXX" version<span class="gmail-hljs-operator" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit">=</span>"3.16.6-Hannover" saveUserFull<span class="gmail-hljs-operator" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit">=</span>"XXXXXXX" projectname<span class="gmail-hljs-operator" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit">=</span>""<span class="gmail-hljs-operator" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit">></span>
  <span class="gmail-hljs-operator" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit"><</span>homePath path<span class="gmail-hljs-operator" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit">=</span>""<span class="gmail-hljs-operator" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit">/</span><span class="gmail-hljs-operator" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit">></span>
  <span class="gmail-hljs-operator" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit"><</span>title<span class="gmail-hljs-operator" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit">></span><span class="gmail-hljs-operator" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit"><</span><span class="gmail-hljs-operator" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit">/</span>title<span class="gmail-hljs-operator" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit">></span>
  <span class="gmail-hljs-operator" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit"><</span>autotransaction active<span class="gmail-hljs-operator" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit">=</span>"0"<span class="gmail-hljs-operator" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit">/</span><span class="gmail-hljs-operator" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit">></span>
  <span class="gmail-hljs-operator" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit"><</span>evaluateDefaultValues active<span class="gmail-hljs-operator" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit">=</span>"0"<span class="gmail-hljs-operator" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit">/</span><span class="gmail-hljs-operator" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit">></span> </code></pre><div><span style="background-color:transparent;font-family:inherit;font-style:inherit;font-variant-ligatures:inherit;font-variant-caps:inherit;font-weight:inherit;white-space:inherit;font-size:13px">  </span><span class="gmail-hljs-operator" style="background-color:transparent;font-family:inherit;font-style:inherit;font-variant:inherit;font-weight:inherit;white-space:inherit;font-size:13px;margin:0px;padding:0px;border:0px;font-stretch:inherit;line-height:inherit;vertical-align:baseline;box-sizing:inherit"><</span><span style="background-color:transparent;font-family:inherit;font-style:inherit;font-variant-ligatures:inherit;font-variant-caps:inherit;font-weight:inherit;white-space:inherit;font-size:13px">trust active</span><span class="gmail-hljs-operator" style="background-color:transparent;font-family:inherit;font-style:inherit;font-variant:inherit;font-weight:inherit;white-space:inherit;font-size:13px;margin:0px;padding:0px;border:0px;font-stretch:inherit;line-height:inherit;vertical-align:baseline;box-sizing:inherit">=</span><span style="background-color:transparent;font-family:inherit;font-style:inherit;font-variant-ligatures:inherit;font-variant-caps:inherit;font-weight:inherit;white-space:inherit;font-size:13px">"0"</span><span class="gmail-hljs-operator" style="background-color:transparent;font-family:inherit;font-style:inherit;font-variant:inherit;font-weight:inherit;white-space:inherit;font-size:13px;margin:0px;padding:0px;border:0px;font-stretch:inherit;line-height:inherit;vertical-align:baseline;box-sizing:inherit">/</span><span class="gmail-hljs-operator" style="background-color:transparent;font-family:inherit;font-style:inherit;font-variant:inherit;font-weight:inherit;white-space:inherit;font-size:13px;margin:0px;padding:0px;border:0px;font-stretch:inherit;line-height:inherit;vertical-align:baseline;box-sizing:inherit">></span> <br></div><div><br></div><div><br></div><div><br></div><div>Thanks a lot.</div></div>